Vulnerability record

CVE-2026-113271

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HighNo known exploitation

Patch status

Official fix available since Oct 20, 2026

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: Google Chrome Releases vendor advisory

Patch or advisory on chromereleases.googleblog.com (opens in a new tab)

Description

Use after free in Accessibility in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Intelligence timeline

Developments from the last 30 days, newest first.

CVSS scoredUpdateOct 21, 2026
CVE-2026-113271 scored CVSS 8.8
Basis: NIST National Vulnerability Database

Coverage

HighPatch

Stable Channel Update for Desktop

Patch

Apply the vendor's security update for Windows, Chrome, Linux, ChatGPT & OpenAI API and Claude.

Google Chrome Releases9 hours agoHomeSMBEnterprise+1

References

chromereleases.googleblog.com https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html
issues.chromium.org https://issues.chromium.org/issues/571618833