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CVE-2025-21171

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

.NET Remote Code Execution Vulnerability

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	.NET 9.0	>= 9.0.0, < 9.0.1
Microsoft	Microsoft Visual Studio 2022 version 17.10	>= 17.10.0, < 17.10.10
Microsoft	Microsoft Visual Studio 2022 version 17.12	>= 17.12.0, < 17.12.4
Microsoft	Microsoft Visual Studio 2022 version 17.6	>= 17.6.0, < 17.6.22
Microsoft	Microsoft Visual Studio 2022 version 17.8	>= 17.8.0, < 17.8.17
Microsoft	PowerShell 7.5	>= 7.5.0, < 7.5.0

References

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

Timeline

Published: Jan 14, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

Related CVEs from 2025

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CVE-2025-21171: High severity, CVSS 7.5 | Vulnix