Vulnerability · Published Apr 1, 2026 · Assigned by Chrome
CVE-2026-5290
Critical 9.6
In plain English
A critical-severity use-after-free 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 25% 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 75.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Use after free in Compositing in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | qt6-qtwebengine | 6.10.1-r14 | ALPINE-CVE-2026-5290 |
| Alpine:v3.24 | qt6-qtwebengine | 6.10.2-r13, 6.11.0-r1 | ALPINE-CVE-2026-5290 |
| Debian:12 | chromium | 146.0.7680.177-1~deb12u1 | DEBIAN-CVE-2026-5290 |
| Debian:13 | chromium | 146.0.7680.177-1~deb13u1 | DEBIAN-CVE-2026-5290 |
| Debian:14 | chromium | 146.0.7680.177-1 | DEBIAN-CVE-2026-5290 |
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H