Google Chrome 156 Patches 353 Security Vulnerabilities
The latest browser update addresses six critical flaws found in core components, including memory-handling and WebRTC processes.
Updated on Oct. 22, 2026 in Cybersecurity
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Google has released Chrome version 156, a security-focused update that addresses 353 distinct vulnerabilities. The patch includes fixes for six critical flaws across core browser components such as memory handling and WebRTC.
Why it matters
Regular browser updates are essential to mitigating risks from malicious code execution and system crashes. This specific release incorporates findings from automated security tools to harden the browser architecture against common exploitation vectors.
Chrome 156 addresses 353 security flaws, including six critical vulnerabilities. The update is deployed as version 156.0.8078.47 for Linux and 156.0.8078.48 for Windows and macOS.
The players
A global technology company that develops the Chromium-based Chrome web browser.
Anthropic
An AI research lab that provided findings from its Claude model to identify a critical accessibility vulnerability.
OpenAI
An AI research organization whose Codex Security tool identified a critical bug within the browser's WebRTC implementation.
The details
The update fixes five critical memory-handling flaws within Skia—a 2D graphics library—as well as bugs in CSS, painting, WebRTC, and accessibility. A sixth critical vulnerability, a use-after-free error, involves memory being accessed after it has been cleared. Researchers from Anthropic used Claude AI to detect the accessibility flaw, while OpenAI Codex Security identified the WebRTC vulnerability.
Timeline
October 22, 2026: Google released Chrome version 156 to global users.
The Tech Race
This release follows the established cadence of the Chromium vulnerability disclosure program by consolidating hundreds of fixes into a single version update. The reliance on automated AI analysis to identify these flaws signals a shift in how browser vendors proactively secure their codebases.
Chrome users should navigate to the About Google Chrome menu to trigger the update immediately. IT administrators can deploy the security patch across their organization using standard Chrome Enterprise tools.
The takeaway
Users should update their browsers now to protect against memory-based exploit paths. Monitor future Chromium release notes for confirmation on whether these specific vulnerabilities were exploited before the patch.
Further reading
For more information on how browser hardening is evolving, visit the Cybersecurity section.
Source note: This article includes information reported by India TV News.
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