CVE-2026-62711: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Windows Win32K subsystem on Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to elevate their privileges, potentially gaining higher system rights. Microsoft has released an official fix addressing this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially leading to full control of the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity as indicated by the CVSS score of 7.8.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62711.
CVE-2026-62711: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Windows Win32K 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 involves a use-after-free condition in the Windows Win32K subsystem on Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to elevate their privileges, potentially gaining higher system rights. Microsoft has released an official fix addressing this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially leading to full control of the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity as indicated by the CVSS score of 7.8.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62711.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T20:56:21.891Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62711","vendor":"Microsoft"}]
Threat ID: 6a7b580cbf8831d539155a5b
Added to database: 08/11/2026, 17:12:44 UTC
Last enriched: 08/11/2026, 22:27:04 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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