CVE-2026-50646

HIGH

Microsoft .NET Framework, .NET, and Visual Studio - Local Code Execution

Title source: manual
STIX 2.1

Description

Protection mechanism failure in .NET Framework allows an unauthorized attacker to execute code locally.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
.NET Framework Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50646

Scores

CVSS v3 7.8
EPSS 0.0095
EPSS Percentile 57.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-502 CWE-693
Status published
Products (21)
microsoft/.net 8.0.0 - 8.0.29
Microsoft/.NET 8.0 8.0.0 - 8.0.29
Microsoft/.NET 9.0 9.0.0 - 9.0.18
microsoft/.net_framework 4.8
microsoft/.net_framework 4.6.2
microsoft/.net_framework 4.7
microsoft/.net_framework 4.7.1
microsoft/.net_framework 4.7.2
microsoft/.net_framework 3.5
microsoft/.net_framework 4.8.1
... and 11 more
Published Jul 14, 2026
Tracked Since Jul 15, 2026