๐Ÿ” CVE Alert

CVE-2026-47304

HIGH 8.1

.NET Security Feature Bypass Vulnerability

CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

Vendor microsoft
Product microsoft .net framework 3.5
Ecosystems
Industries
TechnologyEnterprise
Published Jul 14, 2026
Last Updated Jul 15, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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 < 2.0.50727.8983 & 3.0.30729.8978
Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2
4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0
Microsoft / Microsoft .NET Framework 3.5 AND 4.8
4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0
Microsoft / Microsoft .NET Framework 3.5 AND 4.8.1
4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0
Microsoft / Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
4.7.0 < 4.7.4143.0
Microsoft / Microsoft .NET Framework 4.8
4.8.0 < 4.8.4803.0
Microsoft / Microsoft Visual Studio 2022 version 17.12
17.12.0 < 17.12.22
Microsoft / Microsoft Visual Studio 2022 version 17.14
17.14.0 < 17.14.36
Microsoft / Microsoft Visual Studio 2026 version 18.7
18.0 < 18.7.4

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47304