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CVE-2026-70162medium5.9

.NET Denial of Service Vulnerability

Impact

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.

Source excerpt · microsoft

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Microsoft · Microsoft Visual Studio 2022 version 17.14

Version / rangeSource status
17.14.0 to before 17.14.42affected
microsoft version evidence

Microsoft · Microsoft Visual Studio 2026 version 18.10

Version / rangeSource status
18.10.0 to before 18.10.4affected
microsoft version evidence

Microsoft · System.Security.Cryptography.Pkcs

Platforms: .NET 10.0 runtime installed on Windows, .NET 11.0 runtime installed on Windows, .NET 8.0 runtime installed on Windows, .NET 9.0 runtime installed on Windows

Version / rangeSource status
10.0.0 to before 10.0.13affected
microsoft version evidence

Original source description

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.

References