Vulnerability · Published Oct 6, 2026 · Assigned by Chrome

CVE-2026-106199

High 8.2

In plain English

A high-severity incorrect authorization in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.3%top 82.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium155.0.8059.39-1~deb12u1DEBIAN-CVE-2026-106199
Debian:13chromium155.0.8059.39-1~deb13u1DEBIAN-CVE-2026-106199
Debian:14chromium155.0.8059.39-1DEBIAN-CVE-2026-106199

Affected products (as reported)

VendorProductVersions
Google Chrome 155.0.8059.39 – before 155.0.8059.39

Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

References