// For flags

CVE-2025-26646

.NET, Visual Studio, and Build Tools for Visual Studio Spoofing Vulnerability

Severity Score

8.0
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

External control of file name or path in .NET, Visual Studio, and Build Tools for Visual Studio allows an authorized attacker to perform spoofing over a network.

A flaw was found in .NET and Visual Studio. This vulnerability allows an attacker to use specially crafted input to spoof trusted content or identities, potentially misleading users or systems. This issue requires user interaction and limited privileges but can lead to unauthorized actions or escalation due to incorrect identity or content validation handling.

An update for.NET 8.0 is now available for Red Hat Enterprise Linux 8. Issues addressed include a spoofing vulnerability.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2025-02-12 CVE Reserved
  • 2025-05-13 CVE Published
  • 2025-05-14 EPSS Updated
  • 2025-05-15 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-73: External Control of File Name or Path
  • CWE-290: Authentication Bypass by Spoofing
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
.NET 8.0
Search vendor "Microsoft" for product ".NET 8.0"
>= 8.0.0 < 8.0.16
Search vendor "Microsoft" for product ".NET 8.0" and version " >= 8.0.0 < 8.0.16"
en
Affected
Microsoft
Search vendor "Microsoft"
.NET 9.0
Search vendor "Microsoft" for product ".NET 9.0"
>= 9.0.0 < 9.0.5
Search vendor "Microsoft" for product ".NET 9.0" and version " >= 9.0.0 < 9.0.5"
en
Affected
Microsoft
Search vendor "Microsoft"
Microsoft Visual Studio 2022 Version 17.12
Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.12"
>= 17.0.0 < 17.12.8
Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.12" and version " >= 17.0.0 < 17.12.8"
en
Affected
Microsoft
Search vendor "Microsoft"
Microsoft Visual Studio 2022 Version 17.13
Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.13"
>= 17.10.0 < 17.13.7
Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.13" and version " >= 17.10.0 < 17.13.7"
en
Affected
Microsoft
Search vendor "Microsoft"
Microsoft Visual Studio 2022 Version 17.8
Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.8"
>= 17.8.0 < 17.8.21
Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.8" and version " >= 17.8.0 < 17.8.21"
en
Affected
Microsoft
Search vendor "Microsoft"
Microsoft Visual Studio 2022 Version 17.10
Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.10"
>= 17.10.0 < 17.10.14
Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.10" and version " >= 17.10.0 < 17.10.14"
en
Affected