CVE-2026-32203

HIGH

.NET and Visual Studio Denial of Service Vulnerability

Title source: cna
STIX 2.1

Description

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

References (21)

Core 21
Core References
Vendor Advisory vendor-advisory patch
.NET and Visual Studio Denial of Service Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32203

Scores

CVSS v3 7.5
EPSS 0.0190
EPSS Percentile 77.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-121 CWE-20 CWE-787
Status published
Products (13)
microsoft/.net 10.0.0 - 10.0.6
Microsoft/.NET 10.0 10.0.0 - 10.0.6
Microsoft/.NET 8.0 8.0.0 - 8.0.26
Microsoft/.NET 9.0 9.0.0 - 9.0.15
Microsoft/Microsoft Visual Studio 2022 version 17.12 17.12.0 - 17.12.19
Microsoft/Microsoft Visual Studio 2022 version 17.14 17.14.0 - 17.14.30
Microsoft/Microsoft Visual Studio 2026 version 18.4 18.4.0 - 18.4.4
microsoft/visual_studio_2022 17.12.0 - 17.12.19
microsoft/visual_studio_2022 17.14.0 - 17.14.30
microsoft/visual_studio_2026 18.4.0 - 18.4.4
... and 3 more
Published Apr 14, 2026
Tracked Since Apr 14, 2026