CVE-2026-96959

.NET Denial of Service Vulnerability

State: Published
Severity: 7.5 High
Published: Oct 13, 2026
Updated: Oct 31, 2026
Reserved: Sep 23, 2026

Description

Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
Microsoft .NET Framework 3.5Microsoft	3.5.0 to before 2.0.50727.9188 AND 3.0.30729.9171Affected
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2Microsoft	3.0.0.0 to before 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0Affected
Microsoft .NET Framework 3.5 AND 4.7.2Microsoft	4.7.0 to before 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0Affected
Microsoft .NET Framework 3.5 AND 4.8Microsoft	4.8.0 to before 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0Affected
Microsoft .NET Framework 3.5 AND 4.8.1Microsoft	4.8.1 to before 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0Affected
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2Microsoft	4.7.0 to before 4.7.4150.0Affected
Microsoft .NET Framework 4.8Microsoft	4.8.0 to before 4.8.4811.0Affected
Microsoft .NET Framework 4.8.1Microsoft	4.8.0.0 to before 4.8.9363.0Affected
System.Security.Cryptography.XmlMicrosoft	10.0.0 to before 10.0.13Affected

References

.NET Denial of Service Vulnerabilityvendor-advisorypatch

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