What is CVE-2025-12439?

CVE-2025-12439 is a medium-severity vulnerability in Google Chrome, classified under Inadequate Encryption Strength. CVSS score: 5.5/10. Published 2025-11-10.

How severe is CVE-2025-12439?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Google Chrome

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 sever…

EPSS: 0.001 (0.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Google Chrome — versions 142.0.7444.59
Microsoft Windows

Weakness classification (CWE)

CWE-326 — Inadequate Encryption Strength

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-12439?: CVE-2025-12439 is a medium-severity vulnerability in Google Chrome, classified under Inadequate Encryption Strength. CVSS score: 5.5/10. Published 2025-11-10.
How severe is CVE-2025-12439?: Medium severity. CVSS v3 base score is 5.5 out of 10.