CVE-2026-11659

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: 2026-06-09 · updated 2026-07-23
Weakness: CWE-20

Description

Integer overflow in UI in Google Chrome on Linux prior to 149.0.7827.103 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

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/513702971

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