CVE-2026-32175HighCVSS 4.3

.NET Core Tampering Vulnerability

Published
May 22, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-32175 →

📋 Description

A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring .NET Core properly handles files.

🎯 Affected products6

  • .NET 10.0 installed on Windows
  • .NET 8.0 installed on Windows
  • .NET 9.0 installed on Windows
  • Microsoft Visual Studio 2022 version 17.12
  • Microsoft Visual Studio 2022 version 17.14
  • Microsoft Visual Studio 2026 version 18.5

✅ Remediation

KB5093446 (Security Update) — fixed build 10.0.8 KB5093447 (Security Update) — fixed build 8.0.27 KB5093448 (Security Update) — fixed build 9.0.16 KBRelease Notes (Security Update) — fixed build 18.5.3 KBRelease Notes (Security Update) — fixed build 17.14.32 KBRelease Notes (Security Update) — fixed build 17.12.20

🔗 References (13)