CVE-2025-55247 Details
Description
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
A vulnerability in .NET has been identified, allowing an authorized attacker to elevate privileges locally. This issue arises from improper link resolution before file access, a flaw that could be exploited by placing a malicious file in a core project path and waiting for an administrator to build a .NET project.
Users can download the security update for .NET 9.0 or .NET 8.0 installed on Linux from the .NET download website. Additional guidance can be found in the Microsoft Knowledge Base articles 5068332 and 5068331.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Oct 15, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55247 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-59 | Improper Link Resolution Before File Access ('Link Following') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft .net | >= 8.0.0, < 8.0.21 >= 9.0.0, < 9.0.10 |
CPE
Remediation
| |
| linux linux kernel | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Oct 23, 2025 | Initial Analysis | [email protected] |
| Oct 14, 2025 | New CVE Received | [email protected] |