CVE-2026-102309 Google Chrome - Use After Free

Google Chrome < 154.0.8037.92 contains a use after free vulnerability in FullScreen, letting remote attackers execute arbitrary code outside the sandbox via crafted HTML pages, exploit requires no special privileges.

CVSS base score 9.6 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.31% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Published
29 September 2026
Updated
15 October 2026
Weakness
CWE-416

Vendor fix

Update to version 154.0.8037.92 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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