CVE-2025-21172 .NET and Visual Studio Remote Code Execution Vulnerability

Description

.NET and Visual Studio Remote Code Execution Vulnerability

Affected products and versions

Product	Affected versions	Fixed in
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) 15.9	15.9.0 → < 15.9.69	15.9.69
Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) 16.11	16.11.0 → < 16.11.43	16.11.43
Microsoft Visual Studio 2022 version 17.6 17.6	17.6.0 → < 17.6.22	17.6.22
Microsoft Visual Studio 2022 version 17.8 17.8	17.8.0 → < 17.8.17	17.8.17
Microsoft Visual Studio 2022 version 17.10 17.10	17.10.0 → < 17.10.10	17.10.10
Microsoft Visual Studio 2015 Update 3 14.0	14.0.0 → < 14.0.24252.2	14.0.24252.2
Microsoft Visual Studio 2022 version 17.12 17.12	17.12.0 → < 17.12.4	17.12.4
.NET 8.0 8.0	8.0.0 → < 8.0.12	8.0.12
.NET 9.0 9.0	9.0.0 → < 9.0.1	9.0.1

Other CVEs of Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)

The 74 CVEs of Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) →

CVE-2026-47304 Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature… 8.1 High CVE-2026-32175 A tampering vulnerability exists when .NET Core improperly handles specially crafted files 4.3 Medium CVE-2026-32177 Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally 7.3 High CVE-2025-55240 Improper access control in Visual Studio allows an authorized attacker to elevate privileges locally 7.3 High