Use After Free Vulnerability in Google Chrome
CVE-2026-121238

8.8HIGH

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
3 November 2026

What is CVE-2026-121238?

A use after free vulnerability exists in Google Chrome versions prior to 157.0.8103.38, which enables remote attackers to execute arbitrary code within the sandbox environment. This attack can be facilitated through specially crafted HTML pages, posing significant risks to users who access compromised content. Ensuring your browser is updated is essential to mitigate this security hazard.

Affected Version(s)

Chrome 157.0.8103.38

References

https://chromereleases.googleblog.com/2026/11/stable-chan...
https://issues.chromium.org/issues/569659190

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.