CVE-2026-69337: CWE-415: Double Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-69337 is a double free vulnerability in the Windows Registry component of Microsoft Windows 10 Version 1607 and related builds. This flaw allows an authorized attacker to elevate privileges over a network. The vulnerability has a high severity rating with a CVSS score of 7.1. Official patches are available from Microsoft to address this issue.
CVSS v3.1
Score 7.1high
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
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)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-69337) involves a double free condition in the Windows Registry on Microsoft Windows 10 Version 1607 and several other related versions. An authorized attacker can exploit this flaw remotely over a network to elevate their privileges. The vulnerability is tracked under CWE-415 (Double Free). It has a CVSS 3.1 base score of 7.1, indicating high severity, with attack vector network, high impact on confidentiality, integrity, and availability, and requiring low privileges and user interaction. Microsoft has released official fixes for the affected versions.
Potential Impact
Successful exploitation of this vulnerability allows an authorized attacker to elevate privileges remotely over a network, potentially gaining higher system privileges than intended. This can lead to full system compromise, including unauthorized access to sensitive data and disruption of system availability.
Mitigation Recommendations
Microsoft has released official patches to address this vulnerability. Users and administrators should apply the available updates promptly to mitigate the risk. Since an official fix exists, applying the patch is the recommended and effective mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:49:42.868Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69337","vendor":"Microsoft"}]
Threat ID: 6aa044e6acd9273b49fa7e5b
Added to database: 09/08/2026, 17:24:54 UTC
Last enriched: 10/16/2026, 21:04:20 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 25
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