CVE-2023-38180
Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run .NET Core and Visual Studio, fix it now.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
US federal civilian agencies must remediate by Aug 30, 2023.
Patch status
Official fix available since
Apply the vendor's update to every affected system. Check the fixed-in versions below where known.
Basis: NVD patch reference
Description
.NET and Visual Studio Denial of Service Vulnerability
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Source |
|---|---|---|
| .NET Core and Visual Studio | Microsoft | KEV |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2023-38180 scored CVSS 7.5: Microsoft .NET Core and Visual Studio, Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability
CISA lists this as exploited in the wild. Unpatched .NET Core and Visual Studio systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
- Patch releasedUpdateKEV
Patch released for CVE-2023-38180: Microsoft .NET Core and Visual Studio, Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability
An official fix is now available for Microsoft .NET Core and Visual Studio. This vulnerability is being exploited, so apply it promptly.
Basis: NVD patch reference
1 earlier event is available with a subscription. See plans.
Coverage
We have not published a story about this vulnerability yet.