HIGH 7.5 Microsoft

CVE-2026-26127

.NET Denial of Service Vulnerability

Microsoft Security Update 2026-Mar: .NET Denial of Service Vulnerability

Affected Products

Microsoft.Bcl.Memory 10.0
.NET 10.0 installed on Windows
.NET 10.0 installed on Mac OS
.NET 10.0 installed on Linux
.NET 9.0 installed on Linux
.NET 9.0 installed on Mac OS
.NET 9.0 installed on Windows
Microsoft.Bcl.Memory 9.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26127
https://nvd.nist.gov/vuln/detail/CVE-2026-26127

Published: 2026-03-10 · Source: Microsoft · Feed updated: 2026-08-10

This high severity vulnerability with a CVSS score of 7.5 was published on 2026-03-10 via Microsoft. Affected: Microsoft.Bcl.Memory 10.0, .NET 10.0 installed on Windows, .NET 10.0 installed on Mac OS and 5 more.

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