Denial of Service Vulnerability in .NET by Microsoft
CVE-2026-62901

7.5HIGH

Key Information:

Vendor

Microsoft
Status
.net 10.0
.net 8.0
.net 9.0
Microsoft Visual Studio 2022 Version 17.14
Vendor
CVE Published:
11 August 2026

What is CVE-2026-62901?

A vulnerability in the .NET framework allows an unauthorized attacker to exploit unchecked input in the loop condition, potentially leading to service denial over a network. This vulnerability can severely disrupt services by overloading the system, making it unresponsive to legitimate requests.

Affected Version(s)

.NET 10.0 10.0.0 < 10.0.11

.NET 8.0 8.0.0 < 8.0.30

.NET 9.0 9.0.0 < 9.0.19

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.