CVE-2026-5290: Use after free in Compositing
Chromium: CVE-2026-5290 Use after free in Compositing
Other sources
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
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)
— NVD
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2026-5290?
CVE-2026-5290 has a security severity rating of High.
How do I fix CVE-2026-5290?
To fix CVE-2026-5290, upgrade Google Chrome to version 146.0.7680.178 or later.
What type of vulnerability is CVE-2026-5290?
CVE-2026-5290 is a use-after-free vulnerability in the Compositing feature of Google Chrome.
What can an attacker do with CVE-2026-5290?
An attacker can potentially perform a sandbox escape by exploiting CVE-2026-5290 via a crafted HTML page.
Which versions of Google Chrome are affected by CVE-2026-5290?
Google Chrome versions prior to 146.0.7680.178 are affected by CVE-2026-5290.