CVE-2025-12436: Medium Policy bypass in Extensions.
Chromium: CVE-2025-12436 Policy bypass in Extensions
Other sources
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)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2025-12428
- CVE-2025-12429
- CVE-2025-12430
- CVE-2025-12431
- CVE-2025-12432
- CVE-2025-12433
- CVE-2025-12036
- CVE-2025-12434
- CVE-2025-12435
- CVE-2025-12437
- CVE-2025-12438
- CVE-2025-12439
- CVE-2025-12440
- CVE-2025-12441
- CVE-2025-12443
- CVE-2025-12444
- CVE-2025-12445
- CVE-2025-12446
- CVE-2025-12447
- CVE-2025-13226
- CVE-2025-13227
- CVE-2025-13228
- CVE-2025-13229
- CVE-2025-13230
Frequently Asked Questions
What is the severity of CVE-2025-12436?
CVE-2025-12436 is categorized as a high severity vulnerability affecting Chromium-based browsers.
How do I fix CVE-2025-12436?
To fix CVE-2025-12436, update Google Chrome to version 142.0.7444.59 or later, or update Microsoft Edge (Chromium-based) to the latest version.
What types of products are affected by CVE-2025-12436?
CVE-2025-12436 affects Google Chrome versions prior to 142.0.7444.59 and Microsoft Edge (Chromium-based) prior to the latest version.
Is CVE-2025-12436 a zero-day vulnerability?
CVE-2025-12436 is not classified as a zero-day vulnerability since patches have been released for affected software.
Who reported CVE-2025-12436?
CVE-2025-12436 was reported by the Chrome security team and assigned by the Google security response team.