.NET, .NET Framework, Visual Studio
CVE-2025-21176 — .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
Executive Summary
None
Overview
8.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS 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
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.7
EPSS Score
0.02262
probability of exploitation in the next 30 days
0.80714 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
61 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| .NET 8.0 installed on Linux | 5050525 (Security Update) |
Important | Remote Code Execution | Maybe |
| .NET 8.0 installed on Mac OS | 5050525 (Security Update) |
Important | Remote Code Execution | Maybe |
| .NET 8.0 installed on Windows | 5050525 (Security Update) |
Important | Remote Code Execution | Maybe |
| .NET 9.0 installed on Linux | 5050526 (Security Update) |
Important | Remote Code Execution | Maybe |
| .NET 9.0 installed on Mac OS | 5050526 (Security Update) |
Important | Remote Code Execution | Maybe |
| .NET 9.0 installed on Windows | 5050526 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems | 5049993 (Security Update) |
Important | Remote Code Execution | Yes |
| Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems | 5049993 (Security Update) |
Important | Remote Code Execution | Yes |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems | 5050182 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems | 5050182 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 | 5049993 (Security Update) |
Important | Remote Code Execution | Yes |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 (Server Core installation) | 5049993 (Security Update) |
Important | Remote Code Execution | Yes |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 | 5050182 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation) | 5050182 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems | 5050182 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems | 5050182 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit Systems | 5050416 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for ARM64-based Systems | 5050416 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for x64-based Systems | 5050416 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for 32-bit Systems | 5050188 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for ARM64-based Systems | 5050188 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based Systems | 5050188 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 | 5050182 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation) | 5050182 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 | 5050187 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation) | 5050187 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for 32-bit Systems | 5050416 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for ARM64-based Systems | 5050416 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for x64-based Systems | 5050416 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for 32-bit Systems | 5050188 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for ARM64-based Systems | 5050188 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for x64-based Systems | 5050188 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for ARM64-based Systems | 5049624 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for x64-based Systems | 5049624 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for ARM64-based Systems | 5049624 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for x64-based Systems | 5049624 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for ARM64-based Systems | 5049622 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for x64-based Systems | 5049622 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 | 5050187 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 (Server Core installation) | 5050187 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) | 5049620 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.6.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 5050186 (Monthly Rollup) 5050181 (Security Only) Important Remote Code Execution Base: 8.8 Temporal: 7.7 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 4.7.04126.01 4.7.04126.02 Maybe None Microsoft .NET Framework 4.6.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5050186 (Monthly Rollup) 5050181 (Security Only) Important Remote Code Execution Base: 8.8 Temporal: 7.7 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 4.7.04126.01 4.7.04126.02 Maybe None Microsoft .NET Framework 4.6.2 on Windows Server 2008 for x64-based Systems Service Pack 2 5050186 (Monthly Rollup) 5050181 (Security Only) Important Remote Code Execution Base: 8.8 Temporal: 7.7 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 4.7.04126.01 4.7.04126.02 Maybe None Microsoft .NET Framework 4.6.2 on Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5050186 (Monthly Rollup) 5050181 (Security Only) Important Remote Code Execution Base: 8.8 Temporal: 7.7 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 4.7.04126.01 4.7.04126.02 Maybe None Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 5050183 (Monthly Rollup) 5050180 (Security Only) Important Remote Code Execution Base: 8.8 Temporal: 7.7 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 4.7.04126.01 4.7.04126.02 Maybe None Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5050183 (Monthly Rollup) 5050180 (Security Only) Important Remote Code Execution Base: 8.8 Temporal: 7.7 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 4.7.04126.01 4.7.04126.02 Maybe None Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | 5050184 (Monthly Rollup) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) | 5050184 (Monthly Rollup) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | 5050185 (Monthly Rollup) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) | 5050185 (Monthly Rollup) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.6/4.6.2 on Windows 10 for 32-bit Systems | 5050013 (Security Update) |
Important | Remote Code Execution | Yes |
| Microsoft .NET Framework 4.6/4.6.2 on Windows 10 for x64-based Systems | 5050013 (Security Update) |
Important | Remote Code Execution | Yes |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems | 5049614 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems | 5049614 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 5050183 (Monthly Rollup) 5050180 (Security Only) Important Remote Code Execution Base: 8.8 Temporal: 7.7 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 4.8.04775.01 4.8.04775.02 Maybe None Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5050183 (Monthly Rollup) 5050180 (Security Only) Important Remote Code Execution Base: 8.8 Temporal: 7.7 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 4.8.04775.01 4.8.04775.02 Maybe None Microsoft .NET Framework 4.8 on Windows Server 2012 | 5050184 (Monthly Rollup) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) | 5050184 (Monthly Rollup) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2012 R2 | 5050185 (Monthly Rollup) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) | 5050185 (Monthly Rollup) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2016 | 5049614 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) | 5049614 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) | Release Notes (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) | Release Notes (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Visual Studio 2022 version 17.10 | Release Notes (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Visual Studio 2022 version 17.12 | Release Notes (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Visual Studio 2022 version 17.6 | Release Notes (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Visual Studio 2022 version 17.8 | Release Notes (Security Update) |
Important | Remote Code Execution | Maybe |
Patches
15 patches
| Article | Type | Restart |
|---|---|---|
5050525 |
Security Update | Maybe |
5050526 |
Security Update | Maybe |
5049993 |
Security Update | Yes |
5050182 |
Security Update | Maybe |
5050416 |
Security Update | Maybe |
5050188 |
Security Update | Maybe |
5050187 |
Security Update | Maybe |
5049624 |
Security Update | Maybe |
5049622 |
Security Update | Maybe |
5049620 |
Security Update | Maybe |
5050184 |
Monthly Rollup | Maybe |
5050185 |
Monthly Rollup | Maybe |
5050013 |
Security Update | Yes |
5049614 |
Security Update | Maybe |
Release Notes |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
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