CVE-2026-50526: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Microsoft .NET 10.0
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to perform tampering locally.
AI Analysis
Technical Summary
The vulnerability CVE-2026-50526 in Microsoft .NET 10.0 is classified as CWE-59 (Improper Link Resolution Before File Access). It allows an authorized attacker with local access and low privileges to perform tampering by exploiting improper handling of symbolic links or file references before accessing files. The vulnerability has a high impact on confidentiality, integrity, and availability as indicated by the CVSS vector. Microsoft has issued an official fix to address this issue.
Potential Impact
An authorized local attacker with low privileges can exploit this vulnerability to tamper with files on the affected system. The impact affects confidentiality, integrity, and availability of the system resources accessed via .NET 10.0. No known exploits in the wild have been reported so far.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50526 to remediate this vulnerability.
CVE-2026-50526: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Microsoft .NET 10.0
Description
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to perform tampering locally.
CVSS v3.1
Score 7.0high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-50526 in Microsoft .NET 10.0 is classified as CWE-59 (Improper Link Resolution Before File Access). It allows an authorized attacker with local access and low privileges to perform tampering by exploiting improper handling of symbolic links or file references before accessing files. The vulnerability has a high impact on confidentiality, integrity, and availability as indicated by the CVSS vector. Microsoft has issued an official fix to address this issue.
Potential Impact
An authorized local attacker with low privileges can exploit this vulnerability to tamper with files on the affected system. The impact affects confidentiality, integrity, and availability of the system resources accessed via .NET 10.0. No known exploits in the wild have been reported so far.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50526 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T19:00:41.293Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50526","vendor":"Microsoft"}]
Threat ID: 6a568f2768715ace43148c8b
Added to database: 07/14/2026, 19:33:59 UTC
Last enriched: 07/14/2026, 19:48:10 UTC
Last updated: 07/14/2026, 20:03:47 UTC
Views: 4
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