How severe is CVE-2025-13634?

CVE-2025-13634 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-13634 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-13634?

CVE-2025-13634 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-13634?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-13634 have an EU (EUVD) identifier?

Yes. CVE-2025-13634 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200316.

When was CVE-2025-13634 published?

CVE-2025-13634 was published on 2025-12-02 and last updated on 2026-06-17.

CVE-2025-13634

CVE-2025-13634 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-290.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-200316
Weakness: CWE-290
Affected product: Google Chrome
Published: 2025-12-02
Last modified: 2026-06-17

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)

Frequently asked questions

What is CVE-2025-13634?: 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)
How severe is CVE-2025-13634?: CVE-2025-13634 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-13634 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-13634?: CVE-2025-13634 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-13634?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-13634 have an EU (EUVD) identifier?: Yes. CVE-2025-13634 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200316.
When was CVE-2025-13634 published?: CVE-2025-13634 was published on 2025-12-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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