CVE-2026-106237 Google Chrome - Broken Access Control

Google Chrome < 155.0.8059.39 contains an information disclosure vulnerability caused by improper permissions handling, letting remote attackers bypass site isolation 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
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-200

Vendor fix

Update to version 155.0.8059.39 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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