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CVE-2026-42899

Medium priority
Vulnerable

Loop with unreachable exit condition ('infinite loop') in ASP.NET Core allows an unauthorized attacker to deny service over a network.

5 affected packages

dotnet6, dotnet7, dotnet8, dotnet9, dotnet10

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dotnet6 Not in release Not in release Vulnerable Not in release Not in release
dotnet7 Not in release Not in release Ignored Not in release Not in release
dotnet8 Not in release Vulnerable Vulnerable Not in release Not in release
dotnet9 Not in release Not in release Not in release Not in release Not in release
dotnet10 Vulnerable Vulnerable Not in release Not in release Not in release
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CVE-2026-35433

Medium priority
Ignored

Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.

5 affected packages

dotnet6, dotnet7, dotnet8, dotnet9, dotnet10

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dotnet6 Not in release Not in release Not affected Not in release Not in release
dotnet7 Not in release Not in release Ignored Not in release Not in release
dotnet8 Not in release Not affected Not affected Not in release Not in release
dotnet9 Not in release Not in release Not in release Not in release Not in release
dotnet10 Not affected Not affected Not in release Not in release Not in release
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CVE-2026-32177

Medium priority
Ignored

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

5 affected packages

dotnet6, dotnet7, dotnet8, dotnet9, dotnet10

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dotnet6 Not in release Not in release Not affected Not in release Not in release
dotnet7 Not in release Not in release Ignored Not in release Not in release
dotnet8 Not in release Not affected Not affected Not in release Not in release
dotnet9 Not in release Not in release Not in release Not in release Not in release
dotnet10 Not affected Not affected Not in release Not in release Not in release
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CVE-2026-32175

Medium priority
Ignored

A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable...

5 affected packages

dotnet6, dotnet7, dotnet8, dotnet9, dotnet10

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dotnet6 Not in release Not in release Not affected Not in release Not in release
dotnet7 Not in release Not in release Ignored Not in release Not in release
dotnet8 Not in release Not affected Not affected Not in release Not in release
dotnet9 Not in release Not in release Not in release Not in release Not in release
dotnet10 Not affected Not affected Not in release Not in release Not in release
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CVE-2026-40372

Medium priority

Some fixes available 3 of 4

Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.

5 affected packages

dotnet6, dotnet7, dotnet8, dotnet9, dotnet10

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dotnet6 Not in release Not affected Not in release Not in release
dotnet7 Not in release Ignored Not in release Not in release
dotnet8 Not affected Not affected Not in release Not in release
dotnet9 Not in release Not in release Not in release Not in release
dotnet10 Fixed Fixed Not in release Not in release Not in release
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CVE-2026-33116

Medium priority

Some fixes available 7 of 9

Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.

5 affected packages

dotnet6, dotnet7, dotnet8, dotnet9, dotnet10

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dotnet6 Not in release Not in release Vulnerable Not in release Not in release
dotnet7 Not in release Not in release Ignored Not in release Not in release
dotnet8 Not in release Fixed Fixed Not in release Not in release
dotnet9 Not in release Not in release Not in release Not in release Not in release
dotnet10 Fixed Fixed Not in release Not in release Not in release
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CVE-2026-32203

Medium priority

Some fixes available 7 of 9

Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.

5 affected packages

dotnet6, dotnet7, dotnet8, dotnet9, dotnet10

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dotnet6 Not in release Not in release Vulnerable Not in release Not in release
dotnet7 Not in release Not in release Ignored Not in release Not in release
dotnet8 Not in release Fixed Fixed Not in release Not in release
dotnet9 Not in release Not in release Not in release Not in release Not in release
dotnet10 Fixed Fixed Not in release Not in release Not in release
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CVE-2026-32178

Medium priority

Some fixes available 7 of 9

Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.

5 affected packages

dotnet6, dotnet7, dotnet8, dotnet9, dotnet10

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dotnet6 Not in release Not in release Vulnerable Not in release Not in release
dotnet7 Not in release Not in release Ignored Not in release Not in release
dotnet8 Not in release Fixed Fixed Not in release Not in release
dotnet9 Not in release Not in release Not in release Not in release Not in release
dotnet10 Fixed Fixed Not in release Not in release Not in release
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CVE-2026-26171

Medium priority

Some fixes available 7 of 9

Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

5 affected packages

dotnet6, dotnet7, dotnet8, dotnet9, dotnet10

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dotnet6 Not in release Not in release Vulnerable Not in release Not in release
dotnet7 Not in release Not in release Ignored Not in release Not in release
dotnet8 Not in release Fixed Fixed Not in release Not in release
dotnet9 Not in release Not in release Not in release Not in release Not in release
dotnet10 Fixed Fixed Not in release Not in release Not in release
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CVE-2026-26131

Medium priority
Ignored

Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.

5 affected packages

dotnet6, dotnet7, dotnet8, dotnet9, dotnet10

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dotnet6 Not in release Not affected Not in release Not in release
dotnet7 Not in release Ignored Not in release Not in release
dotnet8 Not affected Not affected Not in release Not in release
dotnet9 Not in release Not in release Not in release Not in release
dotnet10 Not affected Not in release Not in release Not in release
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