Vulnerability · Published May 14, 2026 · Assigned by Chrome

CVE-2026-8586

Medium 5.5

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 0.1% (higher than 1% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 99.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Inappropriate implementation in Chromoting in Google Chrome prior to 148.0.7778.168 allowed a local attacker to bypass discretionary access control via a malicious file. (Chromium security severity: Medium)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium148.0.7778.167-1~deb12u1DEBIAN-CVE-2026-8586
Debian:13chromium148.0.7778.167-1~deb13u1DEBIAN-CVE-2026-8586
Debian:14chromium148.0.7778.167-1DEBIAN-CVE-2026-8586

Affected products (as reported)

VendorProductVersions
Google Chrome 148.0.7778.168 – before 148.0.7778.168

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

References