How severe is CVE-2025-12439?

CVE-2025-12439 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-12439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-12439?

CVE-2025-12439 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-12439?

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

Does CVE-2025-12439 have an EU (EUVD) identifier?

Yes. CVE-2025-12439 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-50796.

When was CVE-2025-12439 published?

CVE-2025-12439 was published on 2025-11-10 and last updated on 2026-06-17.

CVE-2025-12439

CVE-2025-12439 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 5.5. 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-326.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-50796
Weakness: CWE-326
Affected product: Google Chrome
Published: 2025-11-10
Last modified: 2026-06-17

Description

Inappropriate implementation in App-Bound Encryption in Google Chrome on Windows prior to 142.0.7444.59 allowed a local attacker to obtain potentially sensitive information from process memory via a malicious file. (Chromium security severity: Medium)

Frequently asked questions

What is CVE-2025-12439?: Inappropriate implementation in App-Bound Encryption in Google Chrome on Windows prior to 142.0.7444.59 allowed a local attacker to obtain potentially sensitive information from process memory via a malicious file. (Chromium security severity: Medium)
How severe is CVE-2025-12439?: CVE-2025-12439 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-12439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-12439?: CVE-2025-12439 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-12439?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12439 have an EU (EUVD) identifier?: Yes. CVE-2025-12439 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-50796.
When was CVE-2025-12439 published?: CVE-2025-12439 was published on 2025-11-10 and last updated on 2026-06-17.

References

Affected products (1)

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

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