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MicrosoftCVE-2026-69430

Microsoft Windows Embedded Mode Service: use after free

High7.0CVE-2026-69430 · Published Sep 8, 2026 · updated Sep 24, 2026

Use after free in Windows Embedded Mode Service allows an authorized attacker to elevate privileges locally.

Microsoft advisory

Affected versions

PackageAffectedFixed in
Windows 10 Version 1607
Product
>= 10.0.14393.0, < 10.0.14393.951210.0.14393.9512
Windows 10 Version 1809
Product
>= 10.0.17763.0, < 10.0.17763.924510.0.17763.9245
Windows 10 Version 21H2
Product
>= 10.0.19044.0, < 10.0.19044.772510.0.19044.7725
Windows 10 Version 22H2
Product
>= 10.0.19045.0, < 10.0.19045.772510.0.19045.7725
Windows 11 Version 23H2
Product
>= 10.0.22631.0, < 10.0.22631.758210.0.22631.7582
Windows 11 Version 24H2
Product
>= 10.0.26100.0, < 10.0.26100.944510.0.26100.9445
Windows 11 Version 25H2
Product
>= 10.0.26200.0, < 10.0.26200.944510.0.26200.9445
Windows 11 version 23H2
Product
>= 10.0.22631.0, < 10.0.22631.758210.0.22631.7582
Windows 11 version 26H1
Product
>= 10.0.28000.0, < 10.0.28000.295410.0.28000.2954
Windows Server 2016
Product
>= 10.0.14393.0, < 10.0.14393.951210.0.14393.9512
Windows Server 2016 (Server Core installation)
Product
>= 10.0.14393.0, < 10.0.14393.951210.0.14393.9512
Windows Server 2019
Product
>= 10.0.17763.0, < 10.0.17763.924510.0.17763.9245
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-416

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