CVE-2026-62832: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Microsoft Windows 10 Version 21H2
Improper link resolution before file access ('link following') in Windows User Profile Service allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-62832) affects Windows 10 Version 21H2 (build 10.0.19044.0) and is caused by improper link resolution before file access in the Windows User Profile Service. This flaw allows an authorized local attacker to elevate privileges by exploiting the way symbolic links or similar link types are resolved before accessing files. The issue is classified under CWE-59 (Improper Link Resolution Before File Access). Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system. This could lead to full control over the system, impacting confidentiality, integrity, and availability. The CVSS v3.1 base score is 7.8 (high), reflecting the significant impact on confidentiality, integrity, and availability with low attack complexity and no user interaction required.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 21H2 (build 10.0.19044.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62832 for detailed update instructions.
CVE-2026-62832: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Microsoft Windows 10 Version 21H2
Description
Improper link resolution before file access ('link following') in Windows User Profile Service allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-62832) affects Windows 10 Version 21H2 (build 10.0.19044.0) and is caused by improper link resolution before file access in the Windows User Profile Service. This flaw allows an authorized local attacker to elevate privileges by exploiting the way symbolic links or similar link types are resolved before accessing files. The issue is classified under CWE-59 (Improper Link Resolution Before File Access). Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system. This could lead to full control over the system, impacting confidentiality, integrity, and availability. The CVSS v3.1 base score is 7.8 (high), reflecting the significant impact on confidentiality, integrity, and availability with low attack complexity and no user interaction required.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 21H2 (build 10.0.19044.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62832 for detailed update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:10:38.082Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62832","vendor":"Microsoft"}]
Threat ID: 6a7b581cbf8831d53915607b
Added to database: 08/11/2026, 17:13:00 UTC
Last enriched: 08/11/2026, 21:13:39 UTC
Last updated: 08/12/2026, 02:26:22 UTC
Views: 7
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