CVE-2026-11643

Severity: high (CVSS 8.1 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: 2026-06-09 · updated 2026-07-23
Weakness: CWE-416

Description

Use after free in Proxy in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical)

Affected products

Google Chrome: before 149.0.7827.103 — fixed in 149.0.7827.103

How to fix

Upgrade to a fixed version: Google Chrome 149.0.7827.103. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html
https://issues.chromium.org/issues/518006379

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