CVE-2021-26701: Fedoraproject Fedora

High severity, CVSS 8.1. EPSS: 30.1% chance of exploitation in the next 30 days.

.NET Core Remote Code Execution Vulnerability

Affected products

• Fedoraproject Fedora: version 32 only; version 33 only; version 34 only
• Microsoft .net: from 5.0, before 5.0.4 (fixed in 5.0.4)
• Microsoft .net Core: from 2.1, before 2.1.28 (fixed in 2.1.28); from 3.1, before 3.1.15 (fixed in 3.1.15)
• Microsoft PowerShell Core: version 7.0 only; version 7.1 only
• Microsoft Visual Studio 2019: from 16.0, up to and including 16.9; affected versions not specified

Published 2021-02-25. Last modified 2026-06-17.