Use After Free Vulnerability in Google Chrome Accessibility
CVE-2026-126921

Currently unrated

Key Information:

Vendor: Google
Status: Chrome
Vendor: CVE Published:; 11 November 2026

What is CVE-2026-126921?

A use after free vulnerability exists in the Accessibility feature of Google Chrome, which may allow a remote attacker to execute arbitrary code within the browser's sandbox environment. This security issue can be triggered by a specially crafted HTML page, potentially compromising user data and system security.

Affected Version(s)

Chrome 157.0.8103.78

References

https://chromereleases.googleblog.com/2026/11/stable-chan...

https://issues.chromium.org/issues/580869107

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Nov 11, 2026
Vulnerability Reserved
Nov 11, 2026

CVE-2026-126921 Data

JSON