Auth bypass in Google Chrome
CVE-2026-106199
Incorrect authorization in Actor in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to potentially bypass site isolation via a crafted HTML page. (Chromium security severity: Low)
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (10.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
Affected products
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0864717… (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/517703787 (Permissions Required)
Frequently asked questions
- What is CVE-2026-106199?
- CVE-2026-106199 is a high-severity vulnerability in Google Chrome, classified under Incorrect Authorization. CVSS score: 8.2/10. Published 2026-10-06.
- How severe is CVE-2026-106199?
- High severity. CVSS v3 base score is 8.2 out of 10.