How severe is CVE-2025-4664?

CVE-2025-4664 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-4664 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4664?

CVE-2025-4664 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4664?

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

Does CVE-2025-4664 have an EU (EUVD) identifier?

Yes. CVE-2025-4664 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14909. It is also flagged as exploited in the EUVD (since 2025-05-15).

When was CVE-2025-4664 published?

CVE-2025-4664 was published on 2025-05-14 and last updated on 2026-06-17.

CVE-2025-4664

CVE-2025-4664 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14909
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-05-15)
Affected product: Google Chrome
Published: 2025-05-14
Last modified: 2026-06-17

Description

Insufficient policy enforcement in Loader in Google Chrome prior to 136.0.7103.113 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Frequently asked questions

What is CVE-2025-4664?: Insufficient policy enforcement in Loader in Google Chrome prior to 136.0.7103.113 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2025-4664?: CVE-2025-4664 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-4664 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4664?: CVE-2025-4664 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4664?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4664 have an EU (EUVD) identifier?: Yes. CVE-2025-4664 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14909. It is also flagged as exploited in the EUVD (since 2025-05-15).
When was CVE-2025-4664 published?: CVE-2025-4664 was published on 2025-05-14 and last updated on 2026-06-17.

References

Affected products (1)

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

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