CVE-2026-50646

.NET Framework Remote Code Execution Vulnerability

Published Jul 14, 2026 CVSS 3.1 · 7.8 High EPSS 4.0% KEV · Not listed
Description
Protection mechanism failure in .NET Framework allows an unauthorized attacker to execute code locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-gh2h-rhph-h37g Microsoft Security Advisory CVE-2026-50646 – .NET Remote Code Execution Vulnerability
History
Type Values Removed Values Added
First Time appeared Microsoft .net Framework
Microsoft microsoft Visual Studio 2022
Vendors & Products Microsoft .net Framework
Microsoft microsoft Visual Studio 2022
Type Values Removed Values Added
First Time appeared Redhat
Redhat hummingbird
Weaknesses CWE-807
CPEs cpe:/a:redhat:hummingbird:1
Vendors & Products Redhat
Redhat hummingbird
References
Metrics threat_severity

None

threat_severity

Important

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 Protection mechanism failure in .NET Framework allows an unauthorized attacker to execute code locally.
Title .NET Framework Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft .net
Microsoft visual Studio 2022
Microsoft visual Studio 2026
Weaknesses CWE-502
CWE-693
CPEs cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft .net
Microsoft visual Studio 2022
Microsoft visual Studio 2026
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}