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9.6

Google Chrome autofill can run malicious code

CVE-2026-121202 · published 1 day ago
Summary

Older versions of Google Chrome (before 157.0.8103.38) have an issue in the autofill feature that could let a crafted web page execute code on a user’s computer. This could allow an attacker to bypass Chrome’s normal security protections. Updating Chrome to the latest version fixes the problem.

What to do
  • Update google chrome to version 157.0.8103.38 or later.
Affected software
Ecosystem VendorProductAffected versions
– google chrome < 157.0.8103.38
Debian:12 debian chromium All versions
Original advisory text
Use after free in Autofill in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HT...
Use after free in Autofill in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
9.6 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-416Use After Free
Timeline
Published3 Nov 2026
Updated4 Nov 2026
First seen3 Nov 2026
Sources
CVE-2026-121202 · NVD
CVE-2026-121202 · MITRE
DEBIAN-CVE-2026-121202 · OSV
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