What is CVE-2025-12434?

CVE-2025-12434 is a medium-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.2/10. Published 2025-11-10.

How severe is CVE-2025-12434?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Vulnerability in Google Chrome

CVE-2025-12434

Race in Storage in Google Chrome on Windows prior to 142.0.7444.59 allowed a remote attacker who convinced a user to engage in specific UI gestures to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability class: Race Condition

EPSS: 0.002 (5.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L.

Affected products

Google Chrome — versions 142.0.7444.59
Microsoft Windows

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

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

Frequently asked questions

What is CVE-2025-12434?: CVE-2025-12434 is a medium-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.2/10. Published 2025-11-10.
How severe is CVE-2025-12434?: Medium severity. CVSS v3 base score is 4.2 out of 10.