Geek Guy

Tag: vulnerabilities

Ivanti patches critical Sentry flaws that lead to full device takeover

IT software provider Ivanti fixed two vulnerabilities in Ivanti Sentry, a secure mobile gateway appliance formerly called MobileIron Sentry. The flaws could allow unauthenticated remote attackers to gain complete control of deployments. One of the vulnerabilities, CVE-2026-10523, credited to researcher Bryan Lam, allows attackers to bypass authentication and create arbitrary administrative accounts on appliances. The…

CISA directive orders agencies to prioritize vulnerability patching in a new way

The Cybersecurity and Infrastructure Security Agency on Wednesday ordered federal agencies to prioritize vulnerabilities based on four criteria, as part of push to “patch smarter, not harder.” Federal agencies should emphasize patches for vulnerabilities that affect a publicly exposed asset, allow an attacker to fully automate exploitation, give attackers the ability to take over control…

CISA Adds Cisco, Chrome, and Arista Flaws to KEV Catalog Amid Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added three new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation. The list of vulnerabilities is as follows – CVE-2026-20245 (CVSS score: 7.8) – An improper encoding or escaping of output vulnerability in Cisco Catalyst SD-WAN Manager that could allow…

Critical Ivanti Sentry flaw allows root-level remote code execution (CVE-2026-10520)

Ivanti has patched two critical vulnerabilities (CVE-2026-10520 and CVE-2026-10523) in Ivanti Sentry and has urged customers to implement the fix right away. Though the vulnerabilities are not known to be actively exploited, security researchers have already released technical details about the former, which may be used by attackers to craft a working exploit. About Ivanty…

Six Proto6 Vulnerabilities in protobuf.js Expose Node.js Apps to RCE and DoS

Cybersecurity researchers have flagged half a dozen vulnerabilities in protobuf.js, a JavaScript and TypeScript implementation of Protocol Buffers (Protobuf), that, if successfully exploited, could result in remote code execution (RCE) and denial-of-service (DoS) attacks. “In affected environments, a single malicious protobuf schema, descriptor, or crafted payload could be enough to trigger

Microsoft breaks Patch Tuesday record with 206 vulnerabilities

Microsoft addressed a whopping 206 vulnerabilities lurking in its vast portfolio of business products and foundational systems in this month’s Patch Tuesday update, marking the vendor’s largest monthly batch of security patches on record, according to researchers. The massive assortment of vulnerabilities in Microsoft’s latest defect dump accentuates an alarming trend across technology — fears…

Microsoft June 2026 Patch Tuesday, (Tue, Jun 9th)

Microsoft today released patches for 204 vulnerabilities. 38 of these vulnerabilities are considered critical, and three have been disclosed before today. Six of the vulnerabilities affect Microsoft cloud solutions and do not require any user action. In addition, Microsoft incorporated 360 different vulnerabilities affecting Chromium into its Edge browser. This is certainly a busier-than-usual patch…

CISA is rethinking how it prioritizes risks and vulnerabilities for feds, private sector

The Cybersecurity and Infrastructure Agency wants to fundamentally reevaluate how it prioritizes risks and vulnerabilities, both for privately-owned critical infrastructure and within the federal government, acting director Nick Andersen said Tuesday. The plans include a binding operational directive for federal agencies set to be published Wednesday and getting more specific with critical infrastructure owners and…

Check Point warns of ransomware-linked attacks exploiting outdated VPN protocol

Check Point has issued emergency hotfixes for a pair of vulnerabilities affecting VPN deployments that still use the deprecated Internet Key Exchange version 1 (IKEv1) protocol, warning that one of the flaws is already being exploited in the wild. The more serious issue allows attackers to establish VPN sessions without a valid password, potentially giving…

Chrome V8 Zero-Day CVE-2026-11645 Exploited in the Wild – Patch Now

Google has released security updates to address 74 vulnerabilities, including one that has come under active exploitation in the wild. The high-severity vulnerability, tracked as CVE-2026-11645 (CVSS score: 8.8), has been described as an out-of-bounds memory access in V8, Chrome’s JavaScript and WebAssembly engine. “Out-of-bounds read and write in V8 in Google Chrome prior to…

Mythos Preview can weaponize N-day vulnerabilities in hours

Mythos Preview can develop working exploits from newly disclosed software vulnerabilities in hours, cutting down a process that has historically taken days or weeks, according to Anthropic. Anthropic’s recent cybersecurity research has largely focused on zero-days, vulnerabilities unknown to software vendors. The new study examines N-days, vulnerabilities that have already been disclosed and patched but…

Six protobuf.js Vulnerabilities Expose RCE and DoS Risks 

Six vulnerabilities discovered in protobuf.js could allow attackers to execute arbitrary code, crash services, and compromise software supply chains across cloud, AI, messaging, and development environments.  According to Cyera researchers, the flaws affect the widely used JavaScript implementation of Google’s Protocol Buffers, a data serialization framework that underpins communication across countless distributed systems.  The library…

Cloud Security Alliance Report Highlights Growing Patch Gap Risks 

Despite years of investment in vulnerability scanning and shift-left security practices, known vulnerabilities continue to drive production security incidents, according to the Cloud Security Alliance’s 2026 State of Modern Application & AI Security Report.   As AI accelerates both vulnerability discovery and exploit development, organizations are facing increasing pressure to reduce exposure windows before attackers can…

Google June 2026 Android Update Patches 124 Flaws, One Actively Exploited

Google on Monday released patches for 124 security vulnerabilities impacting its Android operating system for the month of June 2026, including one high-severity flaw in the Framework component that has come under active exploitation. Tracked as CVE-2025-48595 (CVSS score: 8.4), the security flaw has been described as a case of privilege escalation without requiring any…

Google fixes actively exploited Android vulnerability (CVE-2025-48595)

Google has announced the June 2026 Android security updates, which fix a bucketload of vulnerabilities, including a high-severity vulnerability (CVE-2025-48595) in the Android Framework that “may be under limited, targeted exploitation.” About CVE-2025-48595 CVE-2025-48595 is an integer overflow vulnerability in the Android Framework, a set of APIs and system services that apps interact with directly.…

AI-Driven Exploitation is Destroying Vulnerability Management. Here’s How to Handle It.

AI-driven exploitation timelines are rapidly shrinking, and they are not going to stop shrinking. Vulnerabilities are being discovered, reproduced, and weaponized faster than ever in the history of enterprise security. As a result, the window between a vulnerability being disclosed and indiscriminate exploitation observed across the internet is now measured in hours, not days. The…

Cato cuts vulnerability protection time to 45 minutes with agentic threat research

Cato Networks announced a new capability that reduces time-to-protect for newly disclosed vulnerabilities to 45 minutes. The company attributes this reduction to the use of agentic threat research designed to accelerate protection against emerging exploits. Traditional appliance-based security depends on a slow customer-operated patching cycle: vendors develop protections, customers receive updates, teams test them, and…

Hackers are exploiting Palo Alto GlobalProtect VPN authentication bypass (CVE-2026-0257)

Authentication bypass vulnerabilities (CVE-2026-0257) in Palo Alto Networks’ firewalls that the company disclosed on May 13 have been targeted in “limited exploit attempts”. “Across multiple customers, Rapid7 observed successful exploitation via authentication probes using forged cookies, but the appliance accepted the cookie without a full VPN session being established in 8 out of 10 impacted…

Notepad++ vulnerabilities could enable arbitrary code execution on Windows systems

Two arbitrary code execution vulnerabilities in Notepad++ let local attackers run commands of their choice on Windows machines by tampering with the editor’s XML configuration files, with both flaws rated High at CVSS 7.8. The flaws, tracked as CVE-2026-48778 and CVE-2026-48800, affect every version of the editor up to and including 8.9.6, Notepad++ said in…

Cisco refines its risk-based vulnerability disclosure for the AI era

Security teams already struggle with long lists of vulnerabilities and limited time to patch them. Cisco believes AI could increase that pressure by accelerating vulnerability discovery and increasing the number of findings security teams need to review. The company said it is moving further toward a risk-based disclosure approach, placing greater attention on issues under…

Anthropic’s Project Glasswing: 10,000+ Vulnerabilities Found in One Month, and the Patching Problem Has Never Been More Obvious

Anthropic said its AI Project Glasswing found over 10,000 serious vulnerabilities in one month, exposing a growing patching gap. Anthropic announced on Friday that Project Glasswing, its defensive cybersecurity initiative built around Claude Mythos Preview, has uncovered more than 10,000 high- or critical-severity vulnerabilities in the month since the program went live. The number is…

Microsoft patches two zero-day flaws in Defender

Microsoft released emergency fixes for two zero-day vulnerabilities in the malware protection components of Microsoft Defender. The flaws allow local attackers to gain system-level privileges or cause the anti-malware service to stop working correctly. Both conditions are valuable in a malware attack, first to prevent detection if the system relies only on Microsoft endpoint protection…

Microsoft Defender vulnerabilities exploited in the wild (CVE-2026-41091, CVE-2026-45498)

Attackers are exploiting two Microsoft Defender vulnerabilities (CVE-2026-41091 and CVE-2026-45498), Microsoft acknowledged and CISA confirmed by adding them to its Known Exploited Vulnerabilities catalog. The vulnerabilities CVE-2026-41091 allows for local privilege elevation (LPE), and is caused by the Microsoft Malware Protection Engine improperly resolving links before accessing files. “An attacker who successfully exploited this vulnerability…

Attackers hit vulnerabilities hard last year, making exploits the top entry point for breaches

Attackers couldn’t get enough of the vulnerabilities at their disposal last year, making exploits the top initial access vector across more than 22,000 breaches Verizon analyzed in its latest Data Breach Investigations Report released Tuesday. The massive annual study uncovered a surge of exploited vulnerabilities during a one-year period ending in October 2025. Exploited defects…

SEPPMail Secure E-Mail Gateway Vulnerabilities Enable RCE and Mail Traffic Access

Critical security vulnerabilities have been disclosed in SEPPMail Secure E-Mail Gateway, an enterprise-grade email security solution, that could be exploited to achieve remote code execution and enable an attacker to read arbitrary mails from the virtual appliance. “These vulnerabilities could have been exploited to read all mail traffic or as an entry vector into the…

OpenClaw Vulnerabilities Could Enable Full AI Agent Takeover

Researchers at Cyera disclosed four chainable vulnerabilities in OpenClaw, collectively named Claw Chain, that could allow attackers to escape AI agent sandboxes, steal credentials, escalate privileges, and establish persistent access across enterprise environments.  The findings raise broader concerns about the security risks surrounding autonomous AI agent platforms.  “Each step looks like normal agent behavior to…

Ivanti, Fortinet, SAP, VMware, n8n Patch RCE, SQL Injection, Privilege Escalation Flaws

Ivanti, Fortinet, n8n, SAP, and VMware have released security fixes for various vulnerabilities that could be exploited by bad actors to bypass authentication and execute arbitrary code. Topping the list is a critical flaw impacting Ivanti Xtraction (CVE-2026-8043, CVSS score: 9.6) that could be exploited to achieve information disclosure or client-side attacks. “External control of…

When ransomware hits, confidence doesn’t restore endpoints

Ransomware, supply chain vulnerabilities, insider threats, compliance failures, and software disruptions remain major concerns for security leaders, according to The Ransomware Reality: Zero Days to Recover report by Absolute Security. How CISOs currently ensure endpoint resilience against ransomware (overall, %) (Source: Absolute Security) A survey of 750 CISOs from enterprise organizations with more than 5,000…

Windows Zero-Days Expose BitLocker Bypasses And CTFMON Privilege Escalation

An anonymous cybersecurity researcher who disclosed three Microsoft Defender vulnerabilities has returned with two more zero-days involving a BitLocker bypass and a privilege escalation impacting Windows Collaborative Translation Framework (CTFMON). The security defects have been codenamed YellowKey and GreenPlasma, respectively, by the researcher, who goes by the online aliases Chaotic Eclipse

18-Year-Old NGINX Rewrite Module Flaw Enables Unauthenticated RCE

Cybersecurity researchers have disclosed multiple security vulnerabilities impacting NGINX Plus and NGINX Open, including a critical flaw that remained undetected for 18 years. The vulnerability, discovered by depthfirst, is a heap buffer overflow issue impacting ngx_http_rewrite_module (CVE-2026-42945, CVSS v4 score: 9.2) that could allow an attacker to achieve remote code execution or cause a

May Patch Tuesday roundup: Critical holes in Windows Netlogon, DNS, and SAP S/4HANA

Critical vulnerabilities in Windows Server’s networking and identity infrastructure, as well as a serious hole in Microsoft Dynamics 365 on-premises version, highlight Microsoft’s May Patch Tuesday fixes. They are among the 118 vulnerabilities identified this month by the company. Some in cloud-based services like Azure and Microsoft Teams have already been fixed, so no admin…

Microsoft addresses 137 vulnerabilities in May’s Patch Tuesday, including 13 rated critical

Microsoft addressed another triple-digit batch of vulnerabilities cutting across its various enterprise products, components and underlying systems. Yet despite the high number of defects, the vendor reported no actively exploited zero-days in this month’s Patch Tuesday update. Thirteen of the 137 vulnerabilities Microsoft disclosed were assigned critical CVSS ratings, including a pair of vulnerabilities affecting…

Microsoft May 2026 Patch Tuesday, (Tue, May 12th)

Today’s Microsoft patch Tuesday fixes 137 different vulnerabilities. In addition, the update addresses 137 Chromium-related issues affecting Microsoft Edge. There are no already disclosed or already exploited vulnerabilities included in today’s patches. I removed the Chromium issues from the table below and included only the 137 Microsoft issues to make it more readable. Note that issues…

The world’s most “Dangerous” AI, Anthropic’s Mythos, found only one flaw in curl

Anthropic’s AI found five vulnerabilities in curl, but only one low-severity issue proved to be a real vulnerability. In April, Anthropic made considerable noise announcing Mythos, a new artificial intelligence model described as so effective at identifying vulnerabilities in code as to be, in the company’s own words, “dangerously good.” So good, in fact, that…

cPanel, WHM Release Fixes for Three New Vulnerabilities — Patch Now

cPanel has released updates to address three vulnerabilities in cPanel and Web Host Manager (WHM) that could be exploited to achieve privilege escalation, code execution, and denial-of-service. The list of vulnerabilities is as follows – CVE-2026-29201 (CVSS score: 4.3) – An insufficient input validation of the feature file name in the “feature::LOADFEATUREFILE” adminbin call that…

Five new holes, one exploited, found in Ivanti Endpoint Manager Mobile

The five new vulnerabilities discovered in Ivanti’s on-premises mobile endpoint management solution are a “classic example of the legacy trap” that CSOs must avoid, says an expert. “Patch today to survive the weekend,” said Robert Enderle of the Enderle Group, “but start planning your exit from legacy MDM as soon as possible.” He was commenting…

Ivanti EPMM vulnerability exploited in zero-day attacks (CVE-2026-6973)

Ivanti has released fixes for 5 high-severity vulnerabilities in its Endpoint Manager Mobile (EPMM) solution, one of which (CVE-2026-6973) has being exploited as a zero-day by attackers. “We are aware of a very limited number of customers exploited with CVE-2026-6973,” the company said in a security advisory published on Thursday. About CVE-2026-6973 CVE-2026-6973 is caused…

13 new critical holes in JavaScript sandbox allow execution of arbitrary code

Thirteen critical vulnerabilities have been found in the vm2 JavaScript sandbox package that could allow an attacker’s code to escape the container and do nasty things to IT environments. As a result, developers using this library in their applications are urged to update the software to the latest version, which is currently 3.11.2. The warnings…

Critical Apache HTTP/2 Flaw (CVE-2026-23918) Enables DoS and Potential RCE

The Apache Software Foundation (ASF) has released security updates to address several security vulnerabilities in the HTTP Server, including a severe vulnerability that could potentially lead to remote code execution (RCE). The vulnerability, tracked as CVE-2026-23918 (CVSS score: 8.8), has been described as a case of “double free and possible RCE” in the HTTP/2 protocol…

Unpatched flaws turn Ollama’s auto-updater into a persistent RCE vector, researchers say

Researchers at Striga have disclosed two vulnerabilities (CVE-2026-42248, CVE-2026-42249) in Ollama’s Windows auto-updater that, when chained together, may allow an attacker to covertly plant a persistent executable that runs on every login. CVE-2026-42248 and CVE-2026-42249 Ollama is an open-source tool for running large language models locally. It’s is used by those who don’t want their…

Wireshark 4.6.5 Released, (Sun, May 3rd)

Wireshark release 4.6.5 fixes 43 vulnerabilities (38 CVEs) and 35 bugs. This high number of fixes is due to AI: “This release fixes quite a few vulnerabilities. This is due to to a recent trend in AI-assisted vulnerability reports.“   Didier Stevens Senior handler blog.DidierStevens.com (c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0…

CISA Adds 4 Exploited Flaws to KEV, Sets May 2026 Federal Deadline

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added four vulnerabilities impacting SimpleHelp, Samsung MagicINFO 9 Server, and D-Link DIR-823X series routers to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The list of vulnerabilities is below – CVE-2024-57726 (CVSS score: 9.9) – A missing authorization vulnerability in

Progress Software fixes sneaky WAF bypass vulnerability (CVE-2026-21876)

Progress Software has fixed a slew of high-severity vulnerabilities in MOVEit WAF and LoadMaster, including a flaw (CVE-2026-21876) that may allow attackers to bypass firewall detection. MOVEit WAF (web application firewall) is designed to protect Progress’s managed file transfer platform MOVEit Transfer from web-based attacks. (A zero-day vulnerability in MOVEit Transfer was infamously exploited in…

22 BRIDGE:BREAK Flaws Expose 20,000 Lantronix and Silex Serial-to-IP Converters

Cybersecurity researchers have identified 22 new vulnerabilities in popular models of serial-to-IP converters from Lantronix and Silex that could be exploited to hijack susceptible devices and tamper with data exchanged by them. The vulnerabilities have been collectively codenamed BRIDGE:BREAK by Forescout Research Vedere Labs, which identified nearly 20,000 Serial-to-Ethernet converters exposed

BeyondTrust’s 13th Annual Microsoft Vulnerabilities Report Reveals Drop in Total Volume, But Surge in Critical Risk

GUEST RESEARCH:  Critical vulnerabilities doubled year-over-year, signalling rising risk severity as AI-driven discovery and expanding attack surfaces reshape the Microsoft security landscape Elevation of Privilege vulnerabilities accounted for 40% of all flaws, continuing to dominate threat actor pathways and reinforcing identity as the primary attack vector Azure and Dynamics 365, saw a 9x increase in…

CISA flags another Cisco Catalyst SD-WAN Manager bug as exploited (CVE-2026-20133)

CISA added eight new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including a Cisco Catalyst SD-WAN Manager vulnerability (CVE-2026-20133) that Cisco has yet to flag as exploited. Three Cisco Catalyst SD-WAN Manager vulnerabilities Alongside CVE-2026-20133, CISA has also listed CVE-2026-20128 and CVE-2026-20122 – two other Catalyst SD-WAN Manager vulnerabilities – as being leveraged in…

CISA Adds 8 Exploited Flaws to KEV, Sets April-May 2026 Federal Deadlines

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added eight new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including three flaws impacting Cisco Catalyst SD-WAN Manager, citing evidence of active exploitation. The list of vulnerabilities is as follows – CVE-2023-27351 (CVSS score: 8.2) – An improper authentication vulnerability in PaperCut