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MEDIUM · 5.9

CVE-2026-32226

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

Vulnerability Description

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

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Microsoft.Net Framework3.5
MicrosoftWindows 10 1809-
MicrosoftWindows Server 20H2-
MicrosoftWindows 10 1607-
MicrosoftWindows Server 2012-
MicrosoftWindows 11 26H1-
MicrosoftWindows Server 2025-

Related Weaknesses (CWE)

CWE-362

References

FAQ

What is CVE-2026-32226?

CVE-2026-32226 is a vulnerability with a CVSS score of 5.9 (MEDIUM). Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.

How severe is CVE-2026-32226?

CVE-2026-32226 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-32226?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft .Net Framework, Microsoft Windows 10 1809, Microsoft Windows Server 20H2, Microsoft Windows 10 1607, Microsoft Windows Server 2012.