Vulnerability · Published Sep 29, 2026 · Assigned by Chrome
CVE-2026-95301
High 8.1
In plain English
A high-severity missing authorization in Chrome from Google. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.3%top 81.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Missing authorization in Extensions in Google Chrome prior to 154.0.8037.57 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 154.0.8037.57-1 | DEBIAN-CVE-2026-95301 |
| Debian:13 | chromium | 154.0.8037.57-1~deb13u1 | DEBIAN-CVE-2026-95301 |
| Debian:14 | chromium | 154.0.8037.57-1 | DEBIAN-CVE-2026-95301 |
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N