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Tag: Chrome

Google leaks details for Chromium bug that can turn browsers into bots

Chromium — the open-source browser that underpins Google Chrome, Microsoft Edge, and Opera, among others — contains an unpatched vulnerability that attackers can exploit to execute JavaScript code persistently across browser restarts. As a result, the flaw can be used to hijack users’ browsers for distributed denial-of-service attacks, run crypto miners, and more. The vulnerability…

Claude in Chrome is taking orders from the wrong extensions

Anthropic Claude’s Chrome browser extension, known as Claude in Chrome, has a bug that can allow other malicious extensions to hijack it, compromising trusted AI workflows. Researchers at LayerX Security have warned that Claude’s overly trusted browser communication flows can be abused to inject scripts that can potentially hijack the assistant’s capabilities and manipulate browsing…

Google to pay up to $1.5 million for zero-click Pixel Titan M exploits

Google has revised its Android and Chrome Vulnerability Reward Programs (VRPs), which pay security researchers to report vulnerabilities in Android, Google hardware, and the Chrome browser. The update raises top bounties to $1.5 million and adjusts rewards for lower-complexity reports. The program targets vulnerability classes that automated tools struggle to detect and prioritizes researcher-driven findings.…

Google Revamps Bug Bounty Programs: Android Rewards Rise, Chrome Payouts Drop in the Age of AI

Google revamps bug bounties: Android rewards rise to $1.5M, Chrome payouts drop, shifting focus to high-impact, AI-resistant vulnerabilities. Google has announced a major overhaul of its Vulnerability Reward Programs (VRP) for Android and Chrome, marking a strategic shift in how the company approaches cybersecurity. The update comes as artificial intelligence tools are reshaping the field…

108 Malicious Chrome Extensions Steal Google and Telegram Data, Affecting 20,000 Users

Cybersecurity researchers have discovered a new campaign in which a cluster of 108 Google Chrome extensions has been found to communicate with the same command-and-control (C2) infrastructure with the goal of collecting user data and enabling browser-level abuse by injecting ads and arbitrary JavaScript code into every web page visited. According to Socket, the extensions are…

Protecting Cookies with Device Bound Session Credentials

Posted by Ben Ackerman, Chrome team, Daniel Rubery, Chrome team and Guillaume Ehinger, Google Account Security team Following our April 2024 announcement, Device Bound Session Credentials (DBSC) is now entering public availability for Windows users on Chrome 146, and expanding to macOS in an upcoming Chrome release. This project represents a significant step forward in…

Chrome Vulnerability CVE-2026-5281 Exploited in the Wild

Google has released a Chrome update for multiple high-severity flaws and confirmed that one of the vulnerabilities is being actively exploited in the wild.  We are “… aware that an exploit for CVE-2026-5281 exists in the wild,” said Google in its advisory. Inside CVE-2026-5281 The vulnerability, tracked as CVE-2026-5281, is a use-after-free flaw affecting Chrome’s…

Google fixes fourth actively exploited Chrome zero-day of 2026

Google fixed a new Chrome zero-day, tracked as CVE-2026-5281, in the WebGPU Dawn component that is already exploited in the wild. Google released Chrome updates fixing 21 vulnerabilities, including a new actively exploited zero-day tracked as CVE-2026-5281. The flaw is a use-after-free bug in Dawn, the WebGPU component used for graphics processing. Due to ongoing…

New Chrome Zero-Day CVE-2026-5281 Under Active Exploitation — Patch Released

Google on Thursday released security updates for its Chrome web browser to address 21 vulnerabilities, including a zero-day flaw that it said has been exploited in the wild. The high-severity vulnerability, CVE-2026-5281 (CVSS score: N/A), concerns a use-after-free bug in Dawn, an open-source and cross-platform implementation of the WebGPU standard. “Use-after-free in Dawn in Google…

Google fixes Chrome zero-day with in-the-wild exploit (CVE-2026-5281)

Google has fixed 21 vulnerabilities affecting its popular Chrome browser, among them a zero-day (CVE-2026-5281) with an in-the-wild exploit. About CVE-2026-5281 As per usual, information about the fixed zero-day is limited, and there’s no details about the exploit (or how/if it’s being used by attackers). CVE-2026-5281’s official description says it’s a use-after-free (UAF) vulnerability in…

U.S. CISA adds Google Chrome flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Google Chrome flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added two Google Chrome flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws added to the catalog: CVE-2026-3909 Google Skia Out-of-Bounds Write Vulnerability CVE-2026-3910 Google Chromium V8 Unspecified Vulnerability This…

Google warns of two actively exploited Chrome zero days

Threat actors are exploiting two high severity zero day vulnerabilities in the Chrome browser that experts say IT teams must patch immediately. Google has issued emergency patches for the two holes, CVE-2026-3909 and CVE-2026-3910. This comes just days after the release of 29 fixes for holes as part of March Patch Tuesday, and a zero day…

Google warns of two actively exploited Chrome zero days

Threat actors are exploiting two high severity zero day vulnerabilities in the Chrome browser that experts say IT teams must patch immediately. Google has issued emergency patches for the two holes, CVE-2026-3909 and CVE-2026-3910. This comes just days after the release of 29 fixes for holes as part of March Patch Tuesday, and a zero day…

Google Patches Two Chrome Zero-Day Vulnerabilities Actively Exploited in the Wild

Google has released updates to patch two high-severity zero-day vulnerabilities in the Chrome browser that are already being exploited in the wild..  The flaws affect critical components responsible for rendering web content and executing JavaScript, potentially allowing attackers to crash the browser or execute malicious code on vulnerable systems. One of the vulnerabilities, CVE-2026-3909, allows…

CVE-2026-3910: Chrome V8 Zero-Day Used for In-the-Wild Attacks

Chrome zero-days continue to pose a major risk for cyber defenders. Earlier this year, Google patched CVE-2026-2441, the first actively exploited Chrome zero-day of 2026. Now, another emergency update has been released, fixing two more flaws already exploited in the wild, CVE-2026-3910 in Chrome’s V8 JavaScript and WebAssembly engine and CVE-2026-3909, an out-of-bounds write bug…

Google fixed two new actively exploited flaws in the Chrome browser

Google addressed two high-severity vulnerabilities in the Chrome browser that have been exploited in attacks in the wild. Google has released security updates to address two high-severity vulnerabilities, tracked as CVE-2026-3909 and CVE-2026-3910, in the Chrome browser. The company is aware of attacks in the wild exploiting both flaws. “Google is aware that exploits for…

Malicious Chrome Extension Targets imToken Wallet Users

A malicious Chrome extension disguised as a harmless color visualization tool is quietly redirecting users to phishing pages designed to steal cryptocurrency wallet credentials.  Socket researchers warn that the extension impersonates the popular imToken wallet brand and tricks victims into entering their seed phrases or private keys. The “… extension automatically opens a threat actor-controlled…

Chrome Extension Turns Malicious After Ownership Transfer, Enabling Code Injection and Data Theft

Two Google Chrome extensions have turned malicious after what appears to be a case of ownership transfer, offering attackers a way to push malware to downstream customers, inject arbitrary code, and harvest sensitive data. The extensions in question, both originally associated with a developer named “akshayanuonline@gmail.com” (BuildMelon), are listed below – QuickLens – Search Screen…

Chrome security flaw enabled spying via Gemini Live assistant

A Google Chrome vulnerability lets malicious extensions hijack Gemini Live to spy on users and steal sensitive files. Researchers at Palo Alto Networks found a Chrome vulnerability, tracked as CVE-2026-0628, that could let malicious extensions take control of the Gemini Live AI assistant. By abusing the flaw, attackers could spy on users and exfiltrate sensitive…

New Chrome Vulnerability Let Malicious Extensions Escalate Privileges via Gemini Panel

Cybersecurity researchers have disclosed details of a now-patched security flaw in Google Chrome that could have permitted attackers to escalate privileges and gain access to local files on the system. The vulnerability, tracked as CVE-2026-0628 (CVSS score: 8.8), has been described as a case of insufficient policy enforcement in the WebView tag. It was patched…

Google Develops Merkle Tree Certificates to Enable Quantum-Resistant HTTPS in Chrome

Google has announced a new program in its Chrome browser to ensure that HTTPS certificates are secure against the future risk posed by quantum computers. “To ensure the scalability and efficiency of the ecosystem, Chrome has no immediate plan to add traditional X.509 certificates containing post-quantum cryptography to the Chrome Root Store,” the Chrome Secure…

Chrome Extension Hijacked to Push ClickFix Malware

A once-trusted Chrome extension with thousands of users was quietly transformed into a malware delivery vehicle, exposing how quickly browser add-ons can become security liabilities.  QuickLens – Search Screen with Google Lens was removed from the Chrome Web Store after researchers discovered it had been updated to deploy ClickFix attacks and steal cryptocurrency wallet data. …

Cultivating a robust and efficient quantum-safe HTTPS

Posted by Chrome Secure Web and Networking Team Today we’re announcing a new program in Chrome to make HTTPS certificates secure against quantum computers. The Internet Engineering Task Force (IETF) recently created a working group, PKI, Logs, And Tree Signatures (“PLANTS”), aiming to address the performance and bandwidth challenges that the increased size of quantum-resistant…

Google Patches Three High-Severity Chrome Flaws

Google has released a security update for its Chrome browser that addresses three high-severity vulnerabilities, which could pose risk to users. One of the vulnerabilities, CVE-2026-3061, allows “… a remote attacker to perform an out-of-bounds memory read via a crafted HTML page,” said NIST in its advisory. Inside the Chrome Vulnerabilities The security update addresses…

Exploit available for new Chrome zero-day vulnerability, says Google

Threat actors now have the ability to exploit a new zero-day vulnerability in the Chrome browser, Google has advised IT administrators. The warning comes after Google released a patch for Chrome to plug a use after free memory vulnerability (CVE-2026-2441) in cascading style sheets (CSS), which means the browser’s CSS engine isn’t properly managing memory…

Exploit available for new Chrome zero-day vulnerability, says Google

Threat actors now have the ability to exploit a new zero-day vulnerability in the Chrome browser, Google has advised IT administrators. The warning comes after Google released a patch for Chrome to plug a use after free memory vulnerability (CVE-2026-2441) in cascading style sheets (CSS), which means the browser’s CSS engine isn’t properly managing memory…

Meta Business Admins Exposed by 2FA-Harvesting Chrome Extension

A malicious Google Chrome extension masquerading as a productivity tool for Meta Business users has been found stealing two-factor authentication secrets and sensitive business data, enabling silent takeover of Facebook and Instagram assets.  The extension, CL Suite by @CLMasters, advertises itself as a way to streamline Meta Business workflows, but Socket researchers say it quietly…

Leaky Chrome extensions with 37M installs caught divulging your browsing history

An estimated 37 million worldwide installations of a clutch of leaky Chrome extensions are transmitting users’ browsing histories to external servers. According to findings by an independent security researcher using the pseudonym “Q Continuum,” a total of 287 extensions sent data that closely matched the URLs visited during simulated browsing sessions. “The actors behind the…

Leaky Chrome extensions with 37M installs caught shipping your browsing history

An estimated 37 million worldwide installations of a clutch of leaky Chrome extensions are transmitting users’ browsing histories to external servers. According to findings by an independent security researcher using the pseudonym “Q Continuum,” a total of 287 extensions sent data that closely matched the URLs visited during simulated browsing sessions. “The actors behind the…

Google fixes first actively exploited Chrome zero-day of 2026

Google patched Chrome zero-day CVE-2026-2441, a high-severity CSS use-after-free flaw actively exploited in the wild. Google has released urgent security updates to address a high-severity zero-day vulnerability, tracked as CVE-2026-2441, in Chrome that is already being exploited in real-world attacks. The flaw is a use-after-free bug in the browser’s CSS component. This is the first…

Google patches Chrome vulnerability with in-the-wild exploit (CVE-2026-2441)

Google released a security update for Chrome to address a high-severity zero‑day vulnerability (CVE-2026-2441) on Friday. “Google is aware that an exploit for CVE-2026-2441 exists in the wild,” the company said. About CVE-2026-2441 CVE-2026-2441 is a use-after-free bug in the CSS processing component of Google Chrome, which allows a remote attacker “to execute arbitrary code…

New Chrome Zero-Day (CVE-2026-2441) Under Active Attack — Patch Released

Google on Friday released security updates for its Chrome browser to address a security flaw that it said has been exploited in the wild. The high-severity vulnerability, tracked as CVE-2026-2441 (CVSS score: 8.8), has been described as a use-after-free bug in CSS. Security researcher Shaheen Fazim has been credited with discovering and reporting the shortcoming…

Fake AI Chrome Extensions Exposed 260,000 Users, Targeting Gmail

More than 260,000 Chrome users installed what appeared to be helpful AI productivity tools… only to unknowingly grant remote servers deep access to their browser activity.  LayerX researchers identified a coordinated campaign of 30 fake AI assistant extensions that used embedded iframes and backend-controlled logic to extract data and maintain persistent access. “We found over…

260K Users Exposed in AI Extension Scam

More than 260,000 Chrome users installed what appeared to be helpful AI productivity tools — only to unknowingly grant remote servers deep access to their browser activity.  LayerX researchers identified a coordinated campaign of 30 fake AI assistant extensions that used embedded iframes and backend-controlled logic to extract data and maintain persistent access.  “We found…

Malicious Chrome Extensions Hijack 500,000 VK Accounts in Stealth Campaign

More than 500,000 VKontakte users had their accounts silently manipulated by Chrome extensions that appeared to offer simple interface customization.  Koi researchers found the extensions delivered multi-stage malware that forced group subscriptions, reset account settings, and interfered with VK’s security protections.  Because “… the extensions update automatically, the attacker can push new malicious code to…

Malicious Chrome Extensions Caught Stealing Business Data, Emails, and Browsing History

Cybersecurity researchers have discovered a malicious Google Chrome extension that’s designed to steal data associated with Meta Business Suite and Facebook Business Manager. The extension, named CL Suite by @CLMasters (ID: jkphinfhmfkckkcnifhjiplhfoiefffl), is marketed as a way to scrape Meta Business Suite data, remove verification pop-ups, and generate two-factor authentication (2FA) codes.

Chrome Vulnerabilities Allow Code Execution and Browser Crashes 

Google has released a Chrome security update addressing two high-severity vulnerabilities that could allow attackers to execute arbitrary code or cause browser crashes.  The issues affect core browser components and may be triggered when users visit specially crafted websites. One of the vulnerabilities, CVE-2026-1861, allows “… a remote attacker to potentially exploit heap corruption via…

Advancing Protection in Chrome on Android

Posted by David Adrian, Javier Castro & Peter Kotwicz, Chrome Security Team Android recently announced Advanced Protection, which extends Google’s Advanced Protection Program to a device-level security setting for Android users that need heightened security—such as journalists, elected officials, and public figures. Advanced Protection gives you the ability to activate Google’s strongest security for mobile…

Sustaining Digital Certificate Security – Upcoming Changes to the Chrome Root Store

Posted by Chrome Root Program, Chrome Security Team Note: Google Chrome communicated its removal of default trust of Chunghwa Telecom and Netlock in the public forum on May 30, 2025. The Chrome Root Program Policy states that Certification Authority (CA) certificates included in the Chrome Root Store must provide value to Chrome end users that…

New security requirements adopted by HTTPS certificate industry

Posted by Chrome Root Program, Chrome Security Team The Chrome Root Program launched in 2022 as part of Google’s ongoing commitment to upholding secure and reliable network connections in Chrome. We previously described how the Chrome Root Program keeps users safe, and described how the program is focused on promoting technologies and practices that strengthen…