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
This vulnerability (CVE-2026-50526) in Microsoft .NET 10.0 is classified as CWE-59 (Improper Link Resolution Before File Access). It allows an attacker with local privileges to exploit improper handling of symbolic links or similar link types before file access, potentially enabling tampering with files. The CVSS v3.1 score is 7.0 (high), reflecting high impact on confidentiality, integrity, and availability, but requiring local access and high attack complexity. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized attacker with local access and low privileges can exploit this vulnerability to tamper with files by leveraging improper link resolution. This can lead to high impact on confidentiality, integrity, and availability of the affected system components running .NET 10.0. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the vendor-provided patch as detailed in the Microsoft Security Response Center 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
This vulnerability (CVE-2026-50526) in Microsoft .NET 10.0 is classified as CWE-59 (Improper Link Resolution Before File Access). It allows an attacker with local privileges to exploit improper handling of symbolic links or similar link types before file access, potentially enabling tampering with files. The CVSS v3.1 score is 7.0 (high), reflecting high impact on confidentiality, integrity, and availability, but requiring local access and high attack complexity. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized attacker with local access and low privileges can exploit this vulnerability to tamper with files by leveraging improper link resolution. This can lead to high impact on confidentiality, integrity, and availability of the affected system components running .NET 10.0. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the vendor-provided patch as detailed in the Microsoft Security Response Center 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: 08/13/2026, 15:08:28 UTC
Last updated: 08/27/2026, 22:52:12 UTC
Views: 139
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