CVE-2025-21171

Published: Jan 14, 2025Modified: Jul 10, 2025

7.5

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.6 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

.NET Remote Code Execution Vulnerability

Affected (6)

Products: Microsoft: .net, Powershell, Visual Studio 2022

3 products

Visual Studio 2022

Configuration A

2 vulnerable · 3 platform

Vulnerable Software	Affected Versions
Microsoft .net	Version 9.0.0
Microsoft Powershell	Version 7.5

Running on/with	Platform Versions
Apple Macos	All versions
Linux Linux Kernel	All versions
Microsoft Windows	All versions

Configuration B

4 vulnerable

Vulnerable Software	Affected Versions
Microsoft Visual Studio 2022	From 17.10.0 to 17.10.10
Microsoft Visual Studio 2022	From 17.12.0 to 17.12.4
Microsoft Visual Studio 2022	From 17.6.0 to 17.6.22
Microsoft Visual Studio 2022	From 17.8.0 to 17.8.17

Related CWEs

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21171

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.