CVE-2025-13634 Security feature bypass in Chrome

What is CVE-2025-13634?

CVE-2025-13634 is a medium-severity vulnerability in Google Chrome, published on 2 Dec 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Inappropriate implementation in Downloads in Google Chrome on Windows prior to 143.0.7499.41 allowed a local attacker to bypass mark of the web via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-290

Which versions are affected by CVE-2025-13634?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2025-13634?

Upgrade to a fixed version.

Is CVE-2025-13634 being exploited?

There is no known exploitation of CVE-2025-13634 in the wild and no public exploit code.

Other vulnerabilities in Google Chrome

• CVE-2022-4135 Google Chromium GPU Heap Buffer Overflow Exploited Critical 9.6
• CVE-2020-16017 Google Chrome Use-After-Free Exploited Critical 9.6
• CVE-2020-16010 Google Chrome for Android UI Heap Buffer Overflow Exploited Critical 9.6
• CVE-2026-87491 Google Chromium V8 Out of Bounds Write Exploited High 8.8
• CVE-2026-85046 Google Chromium V8 Type Confusion Exploited High 8.8

All Google Chrome vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2025-13634, GHSA-h5pr-3m5w-7gm8.