CVE-2025-26682
ASP.NET Core and Visual Studio Denial of Service Vulnerability
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
James Newton-King discovered that .NET did not properly limit resource allocation when handling certain HTTP/3 requests. An attacker could possibly use this issue to cause a denial of service.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2025-02-12 CVE Reserved
- 2025-04-08 CVE Published
- 2025-05-20 EPSS Updated
- 2025-06-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26682 | 2025-04-08 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | ASP.NET Core 8.0 Search vendor "Microsoft" for product "ASP.NET Core 8.0" | >= 8.0.0 < 8.0.15 Search vendor "Microsoft" for product "ASP.NET Core 8.0" and version " >= 8.0.0 < 8.0.15" | 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 < 17.12.7 Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.12" and version " >= 17.0.0 < 17.12.7" | 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 < 17.13.6 Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.13" and version " >= 17.10.0 < 17.13.6" | 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 < 17.8.20 Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.8" and version " >= 17.8.0 < 17.8.20" | 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 < 17.10.13 Search vendor "Microsoft" for product "Microsoft Visual Studio 2022 Version 17.10" and version " >= 17.10.0 < 17.10.13" | en |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | ASP.NET Core 9.0 Search vendor "Microsoft" for product "ASP.NET Core 9.0" | >= 9.0.0 < 9.0.4 Search vendor "Microsoft" for product "ASP.NET Core 9.0" and version " >= 9.0.0 < 9.0.4" | en |
Affected
| ||||||