Vulnerability in Microsoft .Net Framework 3.5 And 4.6.2/4.7/4.7.1/4.7.2
CVE-2025-21176
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
EPSS: 0.014 (80.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: 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 .Net Framework 3.5 And 4.6.2/4.7/4.7.1/4.7.2 — versions 3.0.0.0
- Microsoft .Net Framework 3.5 And 4.7.2 — versions 4.7.0
- Microsoft .Net Framework 3.5 And 4.8 — versions 4.8.0
- Microsoft .Net Framework 3.5 And 4.8.1 — versions 4.8.1
- Microsoft .Net Framework 4.6.2 — versions 4.7.0
- Microsoft .Net Framework 4.6.2/4.7/4.7.1/4.7.2 — versions 4.7.0
- Microsoft .Net Framework 4.6/4.6.2 — versions 10.0.0.0
- Microsoft .Net Framework 4.8 — versions 4.8.0
- Microsoft Visual Studio 2015 Update 3 — versions 14.0.0
- Microsoft Visual Studio 2017 Version 15.9 (Includes 15.0 - 15.8) — versions 15.9.0
Weakness classification (CWE)
References
- .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2025-21176?
- CVE-2025-21176 is a high-severity vulnerability in Microsoft .Net Framework 3.5 And 4.6.2/4.7/4.7.1/4.7.2, classified under Buffer Over-read. CVSS score: 8.8/10. Published 2025-01-14.
- How severe is CVE-2025-21176?
- High severity. CVSS v3 base score is 8.8 out of 10.