Vulnerability · Published Aug 25, 2026 · Assigned by Chrome

CVE-2026-79201

Medium 4.3

In plain English

A medium-severity improper access control 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 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 80.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper access control in Workers in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium152.0.7977.75-1~deb12u1DEBIAN-CVE-2026-79201
Debian:13chromium152.0.7977.75-1~deb13u1DEBIAN-CVE-2026-79201
Debian:14chromium152.0.7977.64-1DEBIAN-CVE-2026-79201

Affected products (as reported)

VendorProductVersions
Google Chrome 152.0.7977.65 – before 152.0.7977.65

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References