CVE-2025-12436 — Missing Authentication for Critical Function in Google Chrome

CWE-306 — Missing Authentication for Critical FunctionCWE-266 — Incorrect Privilege Assignment10 documents9 sources
Severity
5.9MEDIUMNVD
EPSS
0.0%
top 97.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Google ChromeChromiumPaloalto Prisma Browser
Timeline
PublishedNov 10
Latest updateNov 12

Description

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)

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 2.2 | Impact: 3.6

Affected Packages4 packages

▶CVEListV5google/chrome142.0.7444.59 — 142.0.7444.59
▶NVDgoogle/chrome< 142.0.7444.59
▶Debianchromium/chromium< 142.0.7444.59-1~deb12u1+2

🔴Vulnerability Details

3
CVEList
CVE-2025-12436: Policy bypass in Extensions in Google Chrome prior to 142↗2025-11-10
▶
OSV
CVE-2025-12436: Policy bypass in Extensions in Google Chrome prior to 142↗2025-11-10
▶
GHSA
GHSA-j4j8-2vcc-42hj: Policy bypass in Extensions in Google Chrome prior to 142↗2025-11-10
▶

📋Vendor Advisories

6
Palo Alto
PAN-SA-2025-0018 Chromium and Prisma Browser: Monthly Vulnerability Update (November 2025)↗2025-11-12
▶
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2025-12436↗2025-11-11
▶
Red Hat
chromium-browser: Policy bypass in Extensions↗2025-11-10
▶
Chrome
Stable Channel Update for Desktop: CVE-2025-12435↗2025-10-28
▶
Microsoft
Chromium: CVE-2025-12436 Policy bypass in Extensions↗2025-10-14
▶
CVE-2025-12436 — Google Chrome vulnerability | cvebase