CVE-2026-121064

High CVSS 7.8

Published 2026-11-03 · last changed 2026-11-05

The fix

We hold no Microsoft remediation data for CVE-2026-121064, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Improper input validation in Performance in Google Chrome prior to 157.0.8103.38 allowed a local attacker to potentially execute arbitrary code inside the sandbox via a local program. (Chromium security severity: Low)

Sources

NVD record for CVE-2026-121064

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H