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Tag: Windows

Microsoft flips Windows Autopatch to default hotpatch security updates

Microsoft is changing the default behavior in Windows Autopatch so that hotpatch security updates are enabled automatically for eligible devices managed through Microsoft Intune or the Microsoft Graph API starting with the May 2026 Windows security update. Windows Autopatch is a Microsoft-managed service that automates updates for Windows and Office. It also lets IT administrators…

Microsoft warns of ClickFix campaign exploiting Windows Terminal to deliver Lumma Stealer

Microsoft warns of ClickFix campaign using Windows Terminal to deliver Lumma Stealer via social engineering attacks. Microsoft revealed a new ClickFix campaign where attackers exploit Windows Terminal to run a complex attack chain, ultimately deploying Lumma Stealer malware. The campaign uses social engineering to trick users into executing malicious commands, highlighting growing risks to Windows…

New Defender deployment tool streamlines Windows device onboarding with single executable

Microsoft’s Defender deployment tool for Windows helps administrators manage device onboarding at scale with updated progress visibility and additional controls. Simplified deployment with added administrative controls The tool adapts to the operating system and supports endpoint security across a broad range of Windows devices. It eliminates the need for separate onboarding files for modern and…

BYOVD Turns Trusted Drivers Against Windows Security

A growing number of great actor groups are quietly abusing legitimate Windows drivers to turn endpoint defenses against themselves.  Known as Bring Your Own Vulnerable Driver (BYOVD), the technique allows attackers to load a digitally signed but flawed driver and exploit it to gain full kernel-level access.  Attackers “… load a legitimate, digitally signed, but…

Windows 365 for Agents brings managed cloud PCs to autonomous workflows

Microsoft’s Windows 365 for Agents is a cloud platform that gives AI agents secure access to cloud PCs. It lets builders run copilots, agents, and automated workflows in Windows environments without managing infrastructure. The platform includes security, policy controls, scalability, and visibility so agents can browse websites, process data, and complete tasks inside a managed…

Microsoft Patches CVE-2026-26119 Privilege Escalation in Windows Admin Center

Microsoft has disclosed a now-patched security flaw in Windows Admin Center that could allow an attacker to escalate their privileges. Windows Admin Center is a locally deployed, browser-based management tool set that lets users manage their Windows Clients, Servers, and Clusters without the need for connecting to the cloud. The high-severity vulnerability, tracked as CVE-2026-26119,…

Microsoft reveals critical Windows Admin Center vulnerability (CVE-2026-26119)

Microsoft has disclosed a privilege-escalation vulnerability in Windows Admin Center (WAC), a browser-based platform widely used by IT administrators and infrastructure teams to manage Windows clients, servers, clusters, Hyper-V hosts and virtual machines, as well as Active Directory-joined systems. Although the issue was patched in early December 2025 with the release of Windows Admin Center…

Windows Admin Center Flaw Opens Door to Privilege Escalation

A vulnerability in Windows Admin Center (WAC) could allow authorized attackers to escalate privileges in enterprise environments.  The issue affects WAC version 2.6.4 and has been assigned a CVSS score of 8.8. “Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network,” said Microsoft in its advisory. How the…

U.S. CISA adds Google Chromium CSS, Microsoft Windows, TeamT5 ThreatSonar Anti-Ransomware, and Zimbra flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Google Chromium CSS, Microsoft Windows, TeamT5 ThreatSonar Anti-Ransomware, and Zimbra flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Google Chromium CSS, Microsoft Windows, TeamT5 ThreatSonar Anti-Ransomware, and Zimbra flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws…

ClickFix Campaign Uses Fake CAPTCHA Pages to Deliver StealC Malware on Windows

A new social engineering campaign is abusing fake CAPTCHA verification pages to trick Windows users into launching StealC information-stealing malware.  The attack relies on compromised websites that display convincing Cloudflare-style security checks, prompting victims to manually execute malicious PowerShell commands under the guise of routine verification.  “StealC exfiltrates browser credentials, cryptocurrency wallets, Steam accounts, Outlook…

1,800+ Windows Servers Hit by BADIIS SEO Malware

More than 1,800 Windows servers have been quietly compromised in a sprawling malware campaign that turns legitimate websites into tools for search engine manipulation.  The operation leverages a sophisticated strain known as BADIIS to infect Microsoft Internet Information Services (IIS) environments, allowing threat actors to monetize trusted infrastructure without disrupting normal operations. We found “……

Four new reasons why Windows LNK files cannot be trusted

The number of ways that Windows shortcut (.LNK) files can be abused just keeps growing: A cybersecurity researcher has documented four new techniques to trick Windows users into running malicious actions through innocent-looking shortcuts. Wietze Beukema demonstrated how to spoof the visible LNK destination, hide command-line arguments, and execute a different program than the one…

Four new reasons why Windows LNK files cannot be trusted

The number of ways that Windows shortcut (.LNK) files can be abused just keeps growing: A cybersecurity researcher has documented four new techniques to trick Windows users into running malicious actions through innocent-looking shortcuts. Wietze Beukema demonstrated how to spoof the visible LNK destination, hide command-line arguments, and execute a different program than the one…

Windows Notepad RCE Flaw Exploits Markdown Files

Microsoft has patched a vulnerability in the modern Windows Notepad app that could allow remote code execution if a user opens a specially crafted Markdown file.  The issue carries a CVSS score of 8.8 and requires user interaction to exploit. The vulnerability “… allows an unauthorized attacker to execute code over a network,” said Microsoft…

Windows Patch Fixes Exploited RasMan DoS Flaw 

Microsoft has patched a vulnerability in the Windows Remote Access Connection Manager (RasMan) service that was being exploited to trigger denial-of-service (DoS) conditions on unpatched systems. If exploited, the flaw can cause the remote access service to crash, potentially interrupting VPN connectivity and affecting remote access for users and administrators. The vulnerability “… allows an…

U.S. CISA adds Microsoft Office and Microsoft Windows flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Microsoft Office and Microsoft Windows flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Microsoft Office and Microsoft Windows flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws added to the catalog: CVE-2026-21510 Microsoft Windows Shell Protection Mechanism Failure…

Microsoft to roll out a ‘consent first’ model to protect Windows

Windows serves as the backbone of enterprises around the world, powering more than a billion devices and supporting millions of apps. However Microsoft acknowledges that apps are increasingly going rogue, overriding settings, installing additional components, or altering critical Windows capabilities without user awareness or approval. In response, the tech giant plans to roll out what…

Patch Tuesday, February 2026 Edition

Microsoft today released updates to fix more than 50 security holes in its Windows operating systems and other software, including patches for a whopping six “zero-day” vulnerabilities that attackers are already exploiting in the wild. Zero-day #1 this month is CVE-2026-21510, a security feature bypass vulnerability in Windows Shell wherein a single click on a…

Microsoft tightens Windows security with app transparency and user consent

Microsoft is strengthening default protections in Windows through two security initiatives, Windows Baseline Security Mode and User Transparency and Consent. User Transparency and Consent User Transparency and Consent introduces a structured approach to how Windows presents security decisions to users. The operating system will prompt users when applications request access to sensitive resources such as…

Attackers exploit decade‑old Windows driver flaw to shut down modern EDR defenses

In a recent incident, attackers abused a legitimate but vulnerable Windows kernel driver to shut down endpoint security tools during an ongoing incident response. According to a Huntress report, the activity was observed during a customer investigation in early 2026 and involved the use of an old EnCase forensic driver (by Guidance Software) as part…