CVE-2026-32226

MEDIUM

Microsoft .NET Framework - Race Condition Denial of Service

Title source: manual
STIX 2.1

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
.NET Framework Denial of Service Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32226

Scores

CVSS v3 5.9
EPSS 0.0054
EPSS Percentile 41.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-362
Status published
Products (13)
microsoft/.net_framework 3.5
microsoft/.net_framework 4.7.2
microsoft/.net_framework 4.8
microsoft/.net_framework 4.8.1
Microsoft/Microsoft .NET Framework 3.5 3.5.0 - 2.0.50727.8982 & 3.0.30729.8976
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 - 2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 4.8.0 - 2.0.50727.9068 & 3.0.30729.9065 & 4.8.4801.0
Microsoft/Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 - 2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0
Microsoft/Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0 - 4.8.4801.0
Microsoft/Microsoft .NET Framework 4.7.2 10.0.0.0 - 2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0
... and 3 more
Published Apr 14, 2026
Tracked Since Apr 14, 2026