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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
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Authentication
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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%

Identity & Timeline

StatusPUBLISHED
Assigning AuthorityMicrosoft Corporation · Vendor · USA
Reserved2026-03-11T00:26:53
Published2026-05-12T16:59:01
Patch Date2026-05-12
Last Updated2026-08-10T15:13:13

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