Auth bypass in Google Chrome
CVE-2026-79137
Incorrect authorization in Extensions in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (12.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176… (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/505951430 (Permissions Required)
Frequently asked questions
- What is CVE-2026-79137?
- CVE-2026-79137 is a medium-severity vulnerability in Google Chrome, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-08-25.
- How severe is CVE-2026-79137?
- Medium severity. CVSS v3 base score is 4.3 out of 10.