Vulnerability · Published Jun 4, 2026 · Assigned by Chrome
CVE-2026-11086
High 8.8
In plain English
A high-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 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.3%top 79.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Inappropriate implementation in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 149.0.7827.53-1~deb12u1 | DEBIAN-CVE-2026-11086 |
| Debian:13 | chromium | 149.0.7827.53-1~deb13u1 | DEBIAN-CVE-2026-11086 |
| Debian:14 | chromium | 149.0.7827.53-1 | DEBIAN-CVE-2026-11086 |
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H