Vulnerability · Published Jun 30, 2026 · Assigned by Chrome
CVE-2026-13864
High 8.1
In plain English
A high-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 21% 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 78.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient policy enforcement in WebHID in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to perform privilege escalation via a crafted Chrome Extension. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 150.0.7871.46-1~deb12u1 | DEBIAN-CVE-2026-13864 |
| Debian:13 | chromium | 150.0.7871.46-1~deb13u1 | DEBIAN-CVE-2026-13864 |
| Debian:14 | chromium | 150.0.7871.46-1 | DEBIAN-CVE-2026-13864 |
Affected products (as reported)
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H