CVE-2026-69560: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-69560 is a use-after-free vulnerability in the Windows Work Folder Service affecting multiple builds of Windows 10, including version 1607. It allows an authorized local attacker to elevate privileges. The vulnerability has a high severity rating and has been officially fixed by Microsoft.
CVSS v3.1
Score 7.0high
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-69560) involves a use-after-free condition in the Windows Work Folder Service on Windows 10 Version 1607 and other specified builds. An authorized local attacker can exploit this flaw to elevate privileges on the affected system. The issue is tracked under CWE-416 (Use After Free). Microsoft has published an official fix addressing this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access on the affected Windows 10 systems. This could lead to full system compromise depending on the privileges gained.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69560 for update details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T21:15:56.835Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69560","vendor":"Microsoft"}]
Threat ID: 6aa0450dacd9273b49fa8c13
Added to database: 09/08/2026, 17:25:33 UTC
Last enriched: 10/16/2026, 20:41:26 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 22
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