CVE-2026-10939

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-04 · updated 2026-07-22
Weakness: CWE-416

Description

Use after free in WebRTC in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Affected products

Google Chrome: before 149.0.7827.53 — fixed in 149.0.7827.53

How to fix

Upgrade to a fixed version: Google Chrome 149.0.7827.53. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/503502607

Get alerted when CVE-2026-10939 or the next vulnerability affects your stack