OnlyFm252
.NET and Visual Studio

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

Important CVSS 7.5 EPSS 0.01764 2025-01 archive

Executive Summary

None

Overview

7.5
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Jan 14 2025
Last Updated Jan 14 2025
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.01764 — 0.75143 percentile
NVD CVSS 7.5 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
High
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: 6.5

EPSS Score

0.01764
probability of exploitation in the next 30 days
0.75143 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

12 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 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

3 patches
Article Type Restart
5050525 Security Update Maybe
5050526 Security Update Maybe
Release Notes Security Update Maybe

Known Exploits

Acknowledgments

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