Vulnerability Intelligence Report
.NET Core Tampering Vulnerability
CVE-2026-32175
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.
No Active Exploit Signals
CVSS Base Score
4.3
MEDIUM
Exploitability:2.9
Impact Score:1.5
EPSS Probability:0.71%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-36 ↗CWE-36: Absolute Path Traversal
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | .NET 10.0 | 10.0.0 < 10.0.8 (affected) |
| Microsoft | .NET 8.0 | 8.0.0 < 8.0.27 (affected) |
| Microsoft | .NET 9.0 | 9.0.0 < 9.0.16 (affected) |
| Microsoft | Microsoft Visual Studio 2022 version 17.12 | 17.12.0 < 17.12.20 (affected) |
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 < 17.14.32 (affected) |
| Microsoft | Microsoft Visual Studio 2026 version 18.5 | 18.5.0 < 18.5.3 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.711%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-03-11T00:26:53 |
| Published | 2026-05-12T16:59:01 |
| Patch Date | 2026-05-12 |
| Last Updated | 2026-08-10T15:13:13 |
Community Chatter & Buzz