.NET Denial of Service Vulnerability
CVE-2026-70162

5.9MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Visual Studio 2022 Version 17.14
Microsoft Visual Studio 2026 Version 18.10
System.security.cryptography.pkcs
Vendor
CVE Published:
13 October 2026

What is CVE-2026-70162?

A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET web application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET application. The update addresses the vulnerability by correcting how the .NET web application handles web requests.

Affected Version(s)

Microsoft Visual Studio 2022 version 17.14 17.14.0 < 17.14.42

Microsoft Visual Studio 2026 version 18.10 18.10.0 < 18.10.4

System.Security.Cryptography.Pkcs .NET 10.0 installed on Windows 10.0.0 < 10.0.13

References

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

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.