CVE-2026-5290

Severity: critical (CVSS 9.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-01 · updated 2026-10-26
Weakness: CWE-416

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 products

Google Chrome: before 146.0.7680.177 — fixed in 146.0.7680.177

How to fix

Upgrade to a fixed version: Google Chrome 146.0.7680.177. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.html
https://issues.chromium.org/issues/496205576

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