.NET Core Tampering Vulnerability
CVE-2026-32175 is fixed in 4 products on 2 platforms, first by KB5093446, released May 12, 2026. 3 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: Routine.
<p>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.</p> <p>To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system.</p> <p>The security update fixes the vulnerability by ensuring .NET Core properly handles files.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| .NET 10.0 runtime installed on Windows | KB5093446 | May 12, 2026 | |
| .NET 8.0 runtime installed on Windows | KB5093447 | May 12, 2026 | |
| .NET 9.0 runtime installed on Windows | KB5093448 | May 12, 2026 | |
| Windows apps | |||
| Microsoft .NET Windows Desktop Runtime 8.0 | 8.0.30 | Microsoft .NET Windows Desktop Runtime 8.0 8.0.30 | Jul 23, 2026 |
| No fix yet | |||
| Microsoft Windows Desktop Runtime - 8.0.25 (arm64) (Windows apps) | No fix yet | no-fix | n/a |
| Microsoft Windows Desktop Runtime - 8.0.25 (x64) (Windows apps) | No fix yet | no-fix | n/a |
| Microsoft Windows Desktop Runtime - 8.0.25 (x86) (Windows apps) | No fix yet | no-fix | n/a |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.