CVE-2026-68893: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-68893 is a use-after-free vulnerability in the Windows Remote Desktop Licensing Service affecting multiple versions of Microsoft Windows 10, including version 1607. This vulnerability allows an authorized attacker to elevate privileges over a network. The issue has a high severity rating with a CVSS score of 7.1. An official fix is available from Microsoft.
CVSS v3.1
Score 7.1high
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
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 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-68893) involves a use-after-free condition in the Windows Remote Desktop Licensing Service. An authorized attacker can exploit this flaw remotely to elevate their privileges on affected Windows 10 systems. The vulnerability affects several Windows 10 builds, including versions starting from 10.0.14393.0 up to but not including 10.0.14393.9512, and other specified version ranges. Microsoft has published an official fix for this issue.
Potential Impact
Successful exploitation allows an authorized attacker to elevate privileges remotely over a network, potentially gaining higher-level access than intended. This could lead to full system compromise depending on the privileges escalated to. The vulnerability is rated high severity with impact on confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68893. No additional mitigation steps are specified beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-31T20:06:14.675Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68893","vendor":"Microsoft"}]
Threat ID: 6aa044d9acd9273b49fa7cdd
Added to database: 09/08/2026, 17:24:41 UTC
Last enriched: 10/16/2026, 20:57:40 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 30
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