CVE-2026-47304

.NET Security Feature Bypass Vulnerability

Published Jul 14, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-g8r8-53c2-pm3f Microsoft Security Advisory CVE-2026-47304 – .NET Security Feature Bypass Vulnerability
Ubuntu USN Ubuntu USN USN-8553-1 .NET vulnerabilities
History
Type Values Removed Values Added
First Time appeared Microsoft .net
Microsoft .net Framework
CPEs cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
Vendors & Products Microsoft .net
Microsoft .net Framework
Type Values Removed Values Added
First Time appeared Microsoft visual Studio 2017
Microsoft visual Studio 2019
CPEs cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
Vendors & Products Microsoft .net
Microsoft visual Studio 2017
Microsoft visual Studio 2019
Type Values Removed Values Added
First Time appeared Microsoft .net
CPEs cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
Vendors & Products Microsoft .net
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
Title .NET Security Feature Bypass Vulnerability
First Time appeared Microsoft
Microsoft visual Studio 2022
Microsoft visual Studio 2026
Weaknesses CWE-345
CWE-347
CPEs cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft visual Studio 2022
Microsoft visual Studio 2026
References
Metrics cvssV3_1

{'score': 8.1, 'vector': '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'}