๐Ÿ” CVE Alert

CVE-2026-96958

HIGH 7.5

.NET Denial of Service Vulnerability

CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.

Vendor microsoft
Product microsoft .net framework 3.5
Ecosystems
Industries
TechnologyEnterprise
Published Oct 13, 2026
Last Updated Oct 13, 2026
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CVSS v3 Breakdown

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
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

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

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96958