VulnerabilityModified

CVE-2025-21172

.NET and Visual Studio Remote Code Execution Vulnerability

HIGH 7.5EPSS 1.81%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

.NET and Visual Studio Remote Code Execution Vulnerability

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 1.81% probability · 77th percentile
CISA KEV: Not listed
Weakness: CWE-122, CWE-190
Affected: microsoft/.net · microsoft/visual studio 2017 · microsoft/visual studio 2019 · microsoft/visual studio 2022
Source: secure@microsoft.com

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21172Vendor Advisory
https://www.herodevs.com/vulnerability-directory/cve-2025-21172

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.