CVE-2025-21176: high-severity vulnerability in Microsoft .NET Framework 3.5 AND…
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 2.4%
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2Microsoft · Microsoft .NET Framework 3.5 AND 4.8Microsoft · Microsoft .NET Framework 3.5 AND 4.8.1Microsoft · Microsoft .NET Framework 4.6.2Microsoft · Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2Microsoft · Microsoft .NET Framework 4.6/4.6.2Microsoft · Microsoft .NET Framework 4.8Microsoft · Microsoft Visual Studio 2015 Update 3Microsoft · Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)Microsoft · Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)Microsoft · Microsoft Visual Studio 2022 version 17.10Microsoft · Microsoft Visual Studio 2022 version 17.12Microsoft · Microsoft Visual Studio 2022 version 17.6Microsoft · Microsoft Visual Studio 2022 version 17.8Microsoft · .NET 8.0Microsoft · .NET 9.0Related CVEs — Microsoft .NET Framework 3.5 AND…
In the same product, most dangerous first.
CVE-2024-29059HIGH.NET Framework Information Disclosure VulnerabilityEPSS 98.6%KEVCVE-2023-36899HIGHASP.NET Elevation of Privilege VulnerabilityEPSS 76.7%CVE-2023-36049HIGH.NET, .NET Framework, and Visual Studio Elevation of Privilege VulnerabilityEPSS 6.8%CVE-2020-1108—.NET Core & .NET Framework Denial of Service VulnerabilityEPSS 6.5%CVE-2026-50649HIGH.NET Remote Code Execution VulnerabilityEPSS 4.0%CVE-2026-50646HIGH.NET Framework Remote Code Execution VulnerabilityEPSS 4.0%