CVE-2026-11258

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-05 · updated 2026-07-23
Weakness: CWE-284

Description

Inappropriate implementation in File System Access in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass discretionary access control via a crafted HTML page. (Chromium security severity: Low)

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/499078161

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