CVE-2026-50469: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Microsoft Windows 10 Version 1809
CVE-2026-50469 is a vulnerability in Microsoft Windows 10 Version 1809 involving improper link resolution before file access in the Windows Projected File System. This flaw allows an authorized local attacker to elevate privileges. The vulnerability has a high severity with a CVSS score of 7.8. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-59 (Improper Link Resolution Before File Access), affects Windows 10 Version 1809 (build 10.0.17763.0). It occurs in the Windows Projected File System where link following is improperly handled before accessing files. An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher-level access and control over the affected system. The vulnerability impacts confidentiality, integrity, and availability, each rated high according to the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50469 to remediate this vulnerability.
CVE-2026-50469: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Microsoft Windows 10 Version 1809
Description
CVE-2026-50469 is a vulnerability in Microsoft Windows 10 Version 1809 involving improper link resolution before file access in the Windows Projected File System. This flaw allows an authorized local attacker to elevate privileges. The vulnerability has a high severity with a CVSS score of 7.8. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-59 (Improper Link Resolution Before File Access), affects Windows 10 Version 1809 (build 10.0.17763.0). It occurs in the Windows Projected File System where link following is improperly handled before accessing files. An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher-level access and control over the affected system. The vulnerability impacts confidentiality, integrity, and availability, each rated high according to the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50469 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:59:17.978Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50469","vendor":"Microsoft"}]
Threat ID: 6a5676a368715ace43f09587
Added to database: 07/14/2026, 17:49:23 UTC
Last enriched: 07/14/2026, 23:18:52 UTC
Last updated: 07/14/2026, 23:18:52 UTC
Views: 2
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