What is the severity of CVE-2025-27729?

CVE-2025-27729 is classified as a critical remote code execution vulnerability in Windows Shell.

How do I fix CVE-2025-27729?

To fix CVE-2025-27729, apply the relevant security patches provided by Microsoft for your specific Windows version.

What systems are affected by CVE-2025-27729?

CVE-2025-27729 affects various versions of Windows 10, Windows 11, and Windows Server 2025.

Can CVE-2025-27729 be exploited remotely?

CVE-2025-27729 requires local access, so it cannot be exploited remotely without additional vulnerabilities.

What are the potential impacts of CVE-2025-27729?

Exploitation of CVE-2025-27729 could allow an unauthorized attacker to execute arbitrary code on the affected system.

Vulnerability/
CVE-2025-27729

high

7.8

CWE

416

8/4/2025

23/4/2025

CVE-2025-27729: Windows Shell Remote Code Execution Vulnerability

First published: Tue Apr 08 2025(Updated: )

<p>Use after free in Windows Shell allows an unauthorized attacker to execute code locally.</p>

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Windows 11	=23H2	fix available externally
Windows 11	=24H2	fix available externally
Microsoft Windows Server 2025		fix available externally
Windows 10	=21H2	fix available externally
Windows 11	=23H2	fix available externally
Windows 11	=24H2	fix available externally
Windows 11	=22H2	fix available externally
Microsoft Windows Server 2025		fix available externally
Windows 10	=22H2	fix available externally
Windows 11	=22H2	fix available externally
Windows 10	=22H2	fix available externally
Windows 10	=21H2	fix available externally
Windows 10	=22H2	fix available externally
Windows 10	=21H2	fix available externally

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Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27729 (Advisory)

Frequently Asked Questions

What is the severity of CVE-2025-27729?
CVE-2025-27729 is classified as a critical remote code execution vulnerability in Windows Shell.
How do I fix CVE-2025-27729?
To fix CVE-2025-27729, apply the relevant security patches provided by Microsoft for your specific Windows version.
What systems are affected by CVE-2025-27729?
CVE-2025-27729 affects various versions of Windows 10, Windows 11, and Windows Server 2025.
Can CVE-2025-27729 be exploited remotely?
CVE-2025-27729 requires local access, so it cannot be exploited remotely without additional vulnerabilities.
What are the potential impacts of CVE-2025-27729?
Exploitation of CVE-2025-27729 could allow an unauthorized attacker to execute arbitrary code on the affected system.

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collector/msrc-cve
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version/windows 11/23h2
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canonical/windows 10
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version/windows 10/22h2

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