Auth bypass in Google Chrome
CVE-2026-79286
Missing authorization in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to potentially execute arbitrary code outside the sandbox via a co-installed app. (Chromium security severity: Medium)
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (1.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.2% 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
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176… (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/497940451 (Permissions Required)
Frequently asked questions
- What is CVE-2026-79286?
- CVE-2026-79286 is a high-severity vulnerability in Google Chrome, classified under Missing Authorization. CVSS score: 7.4/10. Published 2026-08-25.
- How severe is CVE-2026-79286?
- High severity. CVSS v3 base score is 7.4 out of 10.