Chrome Update Patches Exploited XML Zero-Day CVE-2026-125350, Eighth This Year

Google released Chrome 157 updates addressing nine vulnerabilities, one of which is a high-severity zero-day actively exploited in the wild. The flaw, CVE-2026-125350, is a use-after-free issue in the browser’s XML component and was reported anonymously on November 6. No further details on the attacks have been disclosed, and CISA has not yet added the CVE to its Known Exploited Vulnerabilities catalog. This marks the eighth Chrome zero-day exploited in 2026 after CVE-2026-2441, CVE-2026-3909, CVE-2026-3910, CVE-2026-5281, CVE-2026-11645, CVE-2026-85046, and CVE-2026-87491. The update also resolves six additional high-severity issues in WebGL, FileSystem, Compositing, GPU, V8, and XML, plus two medium-severity uninitialized resource bugs in GPU. Patches are available in versions 157.0.8103.50/.51 for Windows and Mac and 157.0.8103.50 for Linux.

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Google on Monday informed Chrome users of new security updates that patch nine vulnerabilities, including a zero-day exploited in the wild.

The exploited vulnerability, tracked as CVE-2026-125350 and rated high severity, is a use-after-free in the web browser’s XML component. A researcher who wants to remain anonymous reported the issue to Google on November 6.

The tech giant has not shared any additional details, and no information appears to be available on the attacks exploiting CVE-2026-125350. CISA has yet to add CVE-2026-125350 to its Known Exploited Vulnerabilities (KEV) catalog.

This is the eighth Chrome zero-day exploited this year after CVE-2026-2441, CVE-2026-3909, CVE-2026-3910, CVE-2026-5281, CVE-2026-11645, CVE-2026-85046, and CVE-2026-87491.

In addition to the zero-day, the latest Chrome updates patch six high-severity vulnerabilities in the WebGL, FileSystem, Compositing, GPU, V8, and XML components. Google discovered most of the flaws internally. Two medium-severity bugs described as uninitialized resource issues in the GPU component have also been fixed.

The patches are included in Chrome 157 updates, specifically versions 157.0.8103.50/.51 for Windows and Mac, and 157.0.8103.50 for Linux.

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