CVE-2025-21176

What it is

.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability

At a glance

Exploitability

Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.

Exploit odds

2.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2025-01-14 18:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 08:42 UTC Last updatedMost recent change to the record

Details

Published

2025-01-14 18:15 UTC

Last modified

2026-06-17 08:42 UTC

Exploit probability

2.4% · EPSS, next 30 days

Weakness

CWE-126

Record status

Modified

Affected

• Microsoft .net 8.0.0
• Microsoft Visual Studio 2017 < 15.9.69
• Microsoft .net Framework 4.6
• Microsoft .net Framework 4.6.2
• Microsoft .net Framework 3.5
• Microsoft .net Framework 4.8.1
• Microsoft .net Framework 4.7
• Microsoft .net Framework 4.7.1

Attack profile CVSS 3.1 · 8.8

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High