How severe is CVE-2025-5064?

CVE-2025-5064 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-5064 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5064?

CVE-2025-5064 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-5064?

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

Does CVE-2025-5064 have an EU (EUVD) identifier?

Yes. CVE-2025-5064 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16292.

When was CVE-2025-5064 published?

CVE-2025-5064 was published on 2025-05-27 and last updated on 2026-06-17.

CVE-2025-5064

CVE-2025-5064 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 5.4. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16292
Weakness: CWE-200
Affected product: Google Chrome
Published: 2025-05-27
Last modified: 2026-06-17

Description

Inappropriate implementation in Background Fetch API in Google Chrome prior to 137.0.7151.55 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Frequently asked questions

What is CVE-2025-5064?: Inappropriate implementation in Background Fetch API in Google Chrome prior to 137.0.7151.55 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2025-5064?: CVE-2025-5064 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-5064 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5064?: CVE-2025-5064 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-5064?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-5064 have an EU (EUVD) identifier?: Yes. CVE-2025-5064 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16292.
When was CVE-2025-5064 published?: CVE-2025-5064 was published on 2025-05-27 and last updated on 2026-06-17.

References

Affected products (1)

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

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