How severe is CVE-2025-12433?

CVE-2025-12433 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-2025-12433 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-12433?

CVE-2025-12433 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-12433?

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

Does CVE-2025-12433 have an EU (EUVD) identifier?

Yes. CVE-2025-12433 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-50799.

When was CVE-2025-12433 published?

CVE-2025-12433 was published on 2025-11-10 and last updated on 2026-06-17.

CVE-2025-12433

CVE-2025-12433 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: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-50799
Affected product: Google Chrome
Published: 2025-11-10
Last modified: 2026-06-17

Description

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

Frequently asked questions

What is CVE-2025-12433?: Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2025-12433?: CVE-2025-12433 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-2025-12433 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-12433?: CVE-2025-12433 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-12433?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12433 have an EU (EUVD) identifier?: Yes. CVE-2025-12433 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-50799.
When was CVE-2025-12433 published?: CVE-2025-12433 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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