Information Loss Vulnerability in Google Chrome
CVE-2026-121134

8.8HIGH

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
3 November 2026

What is CVE-2026-121134?

A flaw in Google Chrome prior to version 157.0.8103.38 allows remote attackers to exploit information loss via a specially crafted HTML page. This vulnerability enables the bypassing of web origin policy, potentially leading to unauthorized data access. Users should ensure their browser is updated to safeguard against this issue.

Affected Version(s)

Chrome 157.0.8103.38

References

https://chromereleases.googleblog.com/2026/11/stable-chan...
https://issues.chromium.org/issues/498000798

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

.