CVE-2026-70218 Windows StateRepository API - Broken Access Control

Windows StateRepository API contains a broken access control caused by insufficient granularity in access control, letting authorized attackers elevate privileges locally, exploit requires local access with authorization.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.32% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
13 October 2026
Updated
15 October 2026
Weakness
CWE-285

Vendor fix

Update to the latest version with improved access control.

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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