CVE-2026-69349: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1607
Description
CVE-2026-69349 is a vulnerability in Windows Management Instrumentation on Microsoft Windows 10 Version 1607 and related versions. It involves the use of an uninitialized resource that could allow an authorized attacker to disclose information over a network. The vulnerability has a medium severity rating with a CVSS score of 5.7. An official fix is available from Microsoft.
CVSS v3.1
Score 5.7medium
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-2026-69349) is categorized as CWE-908 (Use of Uninitialized Resource) affecting Windows Management Instrumentation in multiple versions of Microsoft Windows 10, including Version 1607 and others. The flaw allows an authorized attacker to potentially disclose sensitive information remotely over a network. The CVSS v3.1 base score is 5.7, indicating medium severity, with an attack vector of network, low attack complexity, and requiring privileges and user interaction. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized attacker could exploit this vulnerability to disclose sensitive information over a network. There is no indication of impact on integrity or availability. No known exploits are reported in the wild at this time.
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-2026-69349 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:52:08.512Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69349","vendor":"Microsoft"}]
Threat ID: 6aa044e9acd9273b49fa7e9d
Added to database: 09/08/2026, 17:24:57 UTC
Last enriched: 10/16/2026, 21:05:31 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 24
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