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CVE-2026-125350

High CVSS 8.8 Known exploited

Published 2026-11-10 · last changed 2026-11-10 · added to CISA KEV 2026-11-10

This one is being exploited in the wild.

CISA added CVE-2026-125350 to the Known Exploited Vulnerabilities catalog on 2026-11-10. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

From our blog

The fix

We hold no Microsoft remediation data for CVE-2026-125350, 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

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)

Sources

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