CISA-confirmed known exploited vulnerability

CVE-2023-38180

Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability

Microsoft · .NET Core and Visual Studio

Vulnerability details

Microsoft .NET Core and Visual Studio contain an unspecified vulnerability that allows for denial-of-service (DoS).

Added to CISA KEV: 2023-08-09

Ransomware campaign use: Unknown

CISA due date: 2023-08-30

Defensive guidance from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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