High MSRC-CVE-2026-32175 1 CVE

.NET Core Tampering Vulnerability

Published May 12, 2026 · Updated May 19, 2026 · Revision 2

Vendor: Microsoft

Summary

Impact: Tampering. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

Security updates
10.0.8 — https://support.microsoft.com/help/5093446
8.0.27 — https://support.microsoft.com/help/5093447
9.0.16 — https://support.microsoft.com/help/5093448
18.5.3 — https://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes
17.14.32 — https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
17.12.20 — https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes-v17.12

Vulnerabilities 1

Medium 4.3

CVE-2026-32175

.NET Core Tampering Vulnerability

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…

Microsoft Microsoft Visual Studio 2022 version 17.14 Microsoft Visual Studio 2022 version 17.12 .NET 8.0 Ubuntu Alpine NuGet

May 12, 2026

Revision history

2026-05-19 #2
Removed incorrectly added rows from the Security Updates table. This is an informational change only.
2026-05-12 #1
Information published.

References

CVE-2026-32175 .NET Core Tampering Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32175
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss