CVE-2021-43877

HIGH

ASP.NET Core - Privilege Escalation

Title source: llm

ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 8.8

EPSS 0.0072

EPSS Percentile 49.9%

Attack Vector LOCAL

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

Status published

Products (7)

microsoft/asp.net_core 3.1

microsoft/asp.net_core 5.0

microsoft/asp.net_core 6.0

microsoft/visual_studio_2019 16.7

microsoft/visual_studio_2019 16.9

microsoft/visual_studio_2019 16.11

microsoft/visual_studio_2022 17.0

Published Dec 15, 2021

Tracked Since Feb 18, 2026