What is the CVSS score of CVE-2025-21173?

CVE-2025-21173 has a CVSS 3.1 base score of 7.3 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.0%.

Which versions of Visual Studio 2022 are affected by CVE-2025-21173?

CVE-2025-21173 presents moderate security risk rated CVSS 7.3. Exploitation could compromise the security of affected deployments.. A patch is available.

How to fix or mitigate CVE-2025-21173?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Visual Studio 2022 CVE-2025-21173

HIGH

Creation of Temporary File in Directory with Insecure Permissions (CWE-379)

2025-01-14 secure@microsoft.com

Information Disclosure Red Hat Visual Studio 2022 Suse Net

7.3

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Patch released

Apr 05, 2026 - 08:30 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 18:03 vuln.today

CVE Published

Jan 14, 2025 - 18:15 nvd

HIGH 7.3

DescriptionNVD

.NET Elevation of Privilege Vulnerability

AnalysisAI

.NET Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-379. Affected products include: Microsoft Visual Studio 2022, Microsoft .Net.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.