Google · Chromium
CVE-2026-125350
Google Chromium Use-After-Free Vulnerability
What it is
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)
CISA: Google Chromium contains a use-after-free vulnerability in the XML component that could allow a remote attacker to execute arbitrary code inside the sandbox via a specially crafted webpage. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
What to do
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.
Deadline for US federal agencies: November 24, 2026
More exploited flaws from Google
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Feb 17, 2026 | CSS Use-After-Free | Chromium | High 8.8 | 54% |
| Dec 12, 2025 | Out of Bounds Memory Access | Chromium | High 8.8 | 43% |
| Jul 22, 2025 | ANGLE and GPU Improper Input Validation | Chromium | High 8.8 | 11% |
| May 13, 2024 | Visuals Use-After-Free | Chromium | Critical 9.6 | 8.3% |
| Nov 3, 2021 | Race Condition | Chromium | High 8.8 | 24% |
| Nov 3, 2021 | Information Disclosure | Chromium | Medium 6.5 | 20% |
| Oct 27, 2026 | Unchecked Return Value | Brotli | Critical 9.2 | 83% |
| Sep 16, 2026 | Improper Authorization | Pixel | High 8.8 | 0.6% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.