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CVE-2026-69392: Windows 11 and Server 2025 may let attackers gain admin rights

CVE-2026-69392 · published 1 month ago

Summary

Certain versions of Windows 11 and Windows Server 2025 contain a coding error that can be triggered by an attacker who already has some access to a computer. By exploiting this error, the attacker could raise their privileges to full administrator level, potentially allowing them to control the system. Apply the latest security updates from Microsoft as soon as they are available to close this gap.

What to do

Update microsoft windows 11 version 23h2 to version 10.0.22631.7582 or later.
Update microsoft windows 11 version 24h2 to version 10.0.26100.9445 or later.
Update microsoft windows 11 version 25h2 to version 10.0.26200.9445 or later.
Update microsoft windows 11 version 26h1 to version 10.0.28000.2954 or later.
Update microsoft windows server 2025 to version 10.0.26100.33438 or later.
Update microsoft windows server 2025 (server core installation) to version 10.0.26100.33438 or later.
Update microsoft windows_11_23h2 to version 10.0.22631.7582 or later.
Update microsoft windows_11_24h2 to version 10.0.26100.9445 or later.
Update microsoft windows_11_25h2 to version 10.0.26200.9445 or later.
Update microsoft windows_11_26h1 to version 10.0.28000.2954 or later.
Update microsoft windows_server_2025 to version 10.0.26100.33438 or later.

Affected software

Vendor	Product	Affected versions
microsoft	windows 11 version 23h2	< 10.0.22631.7582
microsoft	windows 11 version 24h2	< 10.0.26100.9445
microsoft	windows 11 version 25h2	< 10.0.26200.9445
microsoft	windows 11 version 26h1	< 10.0.28000.2954
microsoft	windows server 2025	< 10.0.26100.33438
microsoft	windows server 2025 (server core installation)	< 10.0.26100.33438
microsoft	windows_11_23h2	< 10.0.22631.7582 `cpe:2.3:o:microsoft:windows_11_23h2:::::::arm64:*`
microsoft	windows_11_24h2	< 10.0.26100.9445 `cpe:2.3:o:microsoft:windows_11_24h2:::::::arm64:*`
microsoft	windows_11_25h2	< 10.0.26200.9445 `cpe:2.3:o:microsoft:windows_11_25h2:::::::arm64:*`
microsoft	windows_11_26h1	< 10.0.28000.2954 `cpe:2.3:o:microsoft:windows_11_26h1:::::::arm64:*`
microsoft	windows_server_2025	< 10.0.26100.33438 `cpe:2.3:o:microsoft:windows_server_2025:::::::x64:*`

Original advisory text

Windows Shell Elevation of Privilege Vulnerability

Use after free in Windows Shell allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69392 vendor-advisory patch

Fix within

Internet-facing 14 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit
Gives an attacker full control

Severity

7.8 High

Exploitation

<1% chance of attack within 30 days

Type

CWE-416Use After Free

Timeline

Published8 Sep 2026

Updated3 Nov 2026

First seen8 Sep 2026

Sources

CVE-2026-69392 · NVD

CVE-2026-69392 · MITRE

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