Use After Free Vulnerability in Google Chrome Browser
CVE-2026-121189

9.6CRITICAL

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
3 November 2026

What is CVE-2026-121189?

A use after free vulnerability exists in Google Chrome that allows a remote attacker to execute arbitrary code by leveraging a specially crafted HTML page. This exploitation occurs outside the secure sandbox environment, posing a significant risk to users who may inadvertently visit compromised or malicious websites. It is essential to update to the latest version to mitigate this issue.

Affected Version(s)

Chrome 157.0.8103.38

References

https://chromereleases.googleblog.com/2026/11/stable-chan...
https://issues.chromium.org/issues/555547989

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.