CVE-2025-55247
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-14

Last updated on: 2025-10-23

Assigner: Microsoft Corporation

Description
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2025-10-14
Last Modified
2025-10-23
Generated
2026-06-16
AI Q&A
2025-10-14
EPSS Evaluated
2026-06-15
NVD
CVE-2025-55247
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
microsoft .net From 8.0.0 (inc) to 8.0.21 (exc)
microsoft .net From 9.0.0 (inc) to 9.0.10 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-59 The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
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Executive Summary

This vulnerability involves improper link resolution before file access in the .NET framework, which allows an authorized attacker to elevate their privileges locally by exploiting how symbolic links are handled.

Impact Analysis

An attacker with some level of authorization on the affected system could exploit this vulnerability to gain higher privileges than intended, potentially leading to full control over the system, data compromise, or disruption of services.

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