Description
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
Published: 2026-07-14
Score: 8.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

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

Tue, 21 Jul 2026 22:45:00 +0000

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

Sat, 18 Jul 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Wed, 15 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft .net
CPEs cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
Vendors & Products Microsoft .net

Wed, 15 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 14 Jul 2026 19:00:00 +0000

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'}


Subscriptions

Microsoft Visual Studio 2017 Visual Studio 2019 Visual Studio 2022 Visual Studio 2026
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-07-21T22:37:01.231Z

Reserved: 2026-05-18T23:53:33.898Z

Link: CVE-2026-47304

cve-icon Vulnrichment

Updated: 2026-07-15T11:00:24.987Z

cve-icon NVD

No data.

cve-icon Redhat

Severity : Important

Publid Date: 2026-07-14T18:45:33Z

Links: CVE-2026-47304 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-07-17T18:00:15Z

Weaknesses