High severity · published Jan 14, 2025
CVE-2025-21176
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
8.8
CVSS
2.4%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N8
.NET 8.0 · Microsoft
8.0.0 before 8.0.12 · source: vendor
N9
.NET 9.0 · Microsoft
9.0.0 before 9.0.1 · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 · Microsoft
3.0.0.0 before 10.0.14393.7699 · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.7.2 · Microsoft
4.7.0 before 4.7.04126.01 · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.8 · Microsoft
4.8.0 before 4.8.04775.01 · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.8.1 · Microsoft
4.8.1 before 4.8.1.09294.01 · source: vendor
MN
Microsoft .NET Framework 4.6.2 · Microsoft
4.7.0 before 4.7.04126.01 · source: vendor
MN
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 · Microsoft
4.7.0 before 4.7.04126.01 · source: vendor
MN
Microsoft .NET Framework 4.6/4.6.2 · Microsoft
10.0.0.0 before 10.0.10240.20890 · source: vendor
MN
Microsoft .NET Framework 4.8 · Microsoft
4.8.0 before 4.8.04775.01 · source: vendor
MV
Microsoft Visual Studio 2015 Update 3 · Microsoft
14.0.0 before 14.0.24252.2 · source: vendor
MV
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) · Microsoft
15.9.0 before 15.9.69 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-21176
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-21176
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21176
www.herodevs.com
https://www.herodevs.com/vulnerability-directory/cve-2025-21176
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