CVE-2023-21808

HIGH

Microsoft .NET Framework and Visual Studio - Use-After-Free Remote Code Execution

Title source: manual

.NET and Visual Studio Remote Code Execution Vulnerability

Core 1

Core References

Patch, Vendor Advisory vendor-advisory

CVSS v3 7.8

EPSS 0.0128

EPSS Percentile 79.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

CWE

CWE-416

Status published

Products (18)

microsoft/.net 6.0.0

microsoft/.net 7.0.0

microsoft/.net_framework 3.5

microsoft/.net_framework 4.8

microsoft/.net_framework 4.7.2

microsoft/.net_framework 4.8.1

microsoft/.net_framework 4.6.2

microsoft/.net_framework 4.7

microsoft/.net_framework 4.7.1

microsoft/visual_studio_2017 15.0 - 15.9.51

... and 8 more

Published Feb 14, 2023

Tracked Since Feb 18, 2026