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 severity: Medium)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.001 (0.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Google Chrome — versions 142.0.7444.59
- Microsoft Windows
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.html (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/382234536 (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.