How severe is CVE-2025-12436?

CVE-2025-12436 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-12436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-12436?

CVE-2025-12436 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-12436?

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

Does CVE-2025-12436 have an EU (EUVD) identifier?

Yes. CVE-2025-12436 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-50798.

When was CVE-2025-12436 published?

CVE-2025-12436 was published on 2025-11-10 and last updated on 2026-06-17.

CVE-2025-12436

CVE-2025-12436 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 5.9. 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-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-50798
Weakness: CWE-306
Affected product: Google Chrome
Published: 2025-11-10
Last modified: 2026-06-17

Description

Policy bypass in Extensions in Google Chrome prior to 142.0.7444.59 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information from process memory via a crafted Chrome Extension. (Chromium security severity: Medium)

Frequently asked questions

What is CVE-2025-12436?: Policy bypass in Extensions in Google Chrome prior to 142.0.7444.59 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information from process memory via a crafted Chrome Extension. (Chromium security severity: Medium)
How severe is CVE-2025-12436?: CVE-2025-12436 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-12436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-12436?: CVE-2025-12436 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-12436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12436 have an EU (EUVD) identifier?: Yes. CVE-2025-12436 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-50798.
When was CVE-2025-12436 published?: CVE-2025-12436 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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