CVE-2026-125350
Published 2026-11-10 · Updated 2026-11-10 · Source chrome-cve-admin@google.com
Summary
CVE-2026-125350 is a high-severity (CVSS 8.8) vulnerability in Google Chromium. CISA added it to the Known Exploited Vulnerabilities catalog on November 10, 2026, which means exploitation in the wild has been confirmed; US federal agencies must remediate it by November 24, 2026. CISA does not currently list it as used in ransomware campaigns. Google has 76 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.
All 76 known-exploited Google vulnerabilities →Description
Use after free in XML in Google Chrome prior to 157.0.8103.50 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Google — Chromium
Name: Google Chromium Use-After-Free Vulnerability
Date added: 2026-11-10 · Due: 2026-11-24
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.