Vulnerability · Published Jun 4, 2026 · Assigned by Chrome
CVE-2026-10966
Critical 9.6
In plain English
A critical-severity improper input validation 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 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.3%top 77.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Inappropriate implementation in Codecs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 149.0.7827.53-1~deb12u1 | DEBIAN-CVE-2026-10966 |
| Debian:13 | chromium | 149.0.7827.53-1~deb13u1 | DEBIAN-CVE-2026-10966 |
| Debian:14 | chromium | 149.0.7827.53-1 | DEBIAN-CVE-2026-10966 |
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H