CVE-2025-13634

MEDIUMNVD 4.44.0▼Trending — 4 sources updated this week

4.4

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)

CVSS v3: 4.4
EG Score: 4.0(medium)
EPSS: 0.4%
KEV: Not listed

Published

December 2, 2025

Last Modified

December 4, 2025

References (2)

chrome-cve-admin@googlehttps://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html
chrome-cve-admin@googlehttps://issues.chromium.org/issues/429140219

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-290Authentication Bypass by Spoofing

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Microsoft MSRCCVE-2025-136342025-12-04
Chromium: CVE-2025-13634 Inappropriate implementation in Downloads

Data Freshness Timeline

(refreshed 12× in last 7d / 12× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 18:32 UTCEG score recompute
2026-05-29 18:32 UTCVendor advisory
2026-05-29 18:32 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-13634?

CVE-2025-13634 is a medium vulnerability published on December 2, 2025. 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)

When was CVE-2025-13634 disclosed?

CVE-2025-13634 was first published in the National Vulnerability Database on December 2, 2025, with the most recent update on December 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-13634 actively exploited?

CVE-2025-13634 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-13634?

CVE-2025-13634 has a CVSS v3 base score of 4.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 4.0.

How do I remediate CVE-2025-13634?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-13634, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-13634

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