Tampering Vulnerability in .NET Core by Microsoft
CVE-2026-32175

4.3MEDIUM

What is CVE-2026-32175?

A tampering vulnerability exists in .NET Core, where the framework inadequately processes specially crafted files. This flaw allows an attacker to potentially write arbitrary files and directories to specific locations on a compromised system. While the attacker will have limited control over where these files are placed, the risk of unauthorized data manipulation remains significant. Exploiting this vulnerability requires the attacker to send a specifically crafted file to the vulnerable application. A security update has been released to address this issue, ensuring that .NET Core correctly manages file handling.

Affected Version(s)

.NET 10.0 10.0.0 < 10.0.8

.NET 8.0 8.0.0 < 8.0.27

.NET 9.0 9.0.0 < 9.0.16

References

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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