Threat Investigation

CVE-2026-70218

High

Description

Insufficient granularity of access control in Windows StateRepository API allows an authorized attacker to elevate privileges locally.

SeverityHigh

CVSS7.8

Exploit probability—

Product

Windows 11 Version 24H2

PublishedOct 13, 2026

First seenOct 13, 2026

Weakness typeCWE-1220CWE-1220 CWE-285CWE-285

How to fix

Update

Microsoft Windows 11 Version 24H210.0.26100.9711 or later
Microsoft Windows 11 Version 25H210.0.26200.9711 or later
Microsoft Windows 11 version 26H110.0.28000.3231 or later
Microsoft Windows 11 Version 26H210.0.26300.9711 or later

Patches

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70218

Affected products

Product	Affected versions	Fixed in
Microsoft Windows 11 Version 24H2	10.0.26100.0 ≤ v < 10.0.26100.9711	10.0.26100.9711
Microsoft Windows 11 Version 25H2	10.0.26200.0 ≤ v < 10.0.26200.9711	10.0.26200.9711
Microsoft Windows 11 version 26H1	10.0.28000.0 ≤ v < 10.0.28000.3231	10.0.28000.3231
Microsoft Windows 11 Version 26H2	10.0.26300.0 ≤ v < 10.0.26300.9711	10.0.26300.9711

Check your version

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