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Microsoft Security Advisory CVE-2026-21218 | .NET Security Feature Bypass Vulnerability

🗓️ 10 Feb 2026 21:32:18Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 16 Views

Security advisory for dotnet 8-10 reveals a cose bypass vulnerability; apply patches.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
AlpineLinux
CVE-2026-21218
10 Feb 202617:51
alpinelinux
Chainguard
CVE-2026-21218 vulnerabilities
23 Feb 202619:17
cgr
Circl
CVE-2026-21218
10 Feb 202617:30
circl
CNNVD
Microsoft .NET 安全漏洞
10 Feb 202600:00
cnnvd
CVE
CVE-2026-21218
10 Feb 202617:51
cve
Cvelist
CVE-2026-21218 .NET Spoofing Vulnerability
10 Feb 202617:51
cvelist
Microsoft KB
.NET 10.0 Update - February 10, 2026
10 Feb 202616:00
mskb
Microsoft KB
.NET 8.0 Update - February 10, 2026
10 Feb 202616:00
mskb
Microsoft KB
.NET 9.0 Update - February 10, 2026
10 Feb 202616:00
mskb
Kaspersky
KLA90875 Multiple vulnerabilities in Microsoft Developer Tools
10 Feb 202600:00
kaspersky
Rows per page
Vulners
Node
system.security.cryptography.coseRange10.0.010.0.2nuget
OR
system.security.cryptography.coseRange9.0.09.0.12nuget
OR
system.security.cryptography.coseRange8.0.08.0.1nuget

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13 Feb 2026 19:43Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.5
EPSS0.01015
SSVC
16