Vulnerability · Published Sep 15, 2026 · Assigned by Chrome
CVE-2026-91738
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 26% 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 74.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper input validation in ANGLE in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | webkit2gtk3 | 2.54.1-1.el8_10 | ALSA-2026:84584 |
| AlmaLinux:9 | webkit2gtk3 | 2.54.1-1.el9_8 | ALSA-2026:84583 |
| AlmaLinux:8 | webkit2gtk3-devel | 2.54.1-1.el8_10 | ALSA-2026:84584 |
| AlmaLinux:9 | webkit2gtk3-devel | 2.54.1-1.el9_8 | ALSA-2026:84583 |
| AlmaLinux:8 | webkit2gtk3-jsc | 2.54.1-1.el8_10 | ALSA-2026:84584 |
| AlmaLinux:9 | webkit2gtk3-jsc | 2.54.1-1.el9_8 | ALSA-2026:84583 |
| AlmaLinux:8 | webkit2gtk3-jsc-devel | 2.54.1-1.el8_10 | ALSA-2026:84584 |
| AlmaLinux:9 | webkit2gtk3-jsc-devel | 2.54.1-1.el9_8 | ALSA-2026:84583 |
| Debian:12 | chromium | 153.0.8010.52-1~deb12u1 | DEBIAN-CVE-2026-91738 |
| Debian:13 | chromium | 153.0.8010.47-2~deb13u1 | DEBIAN-CVE-2026-91738 |
| Debian:14 | chromium | 153.0.8010.47-1 | DEBIAN-CVE-2026-91738 |
| Rocky Linux:8 | webkit2gtk3 | 0:2.54.1-1.el8_10 | RLSA-2026:84584 |
| Rocky Linux:9 | webkit2gtk3 | 0:2.54.1-1.el9_8 | RLSA-2026:84583 |
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