CVE-2026-69717: CWE-822: Untrusted Pointer Dereference in Microsoft Windows 10 Version 1607
Description
CVE-2026-69717 is a high-severity vulnerability in Microsoft Windows 10 Version 1607 and related builds, involving an untrusted pointer dereference in the Windows Group Policy component. This flaw allows an authorized attacker to elevate privileges over a network. The vulnerability affects multiple specific Windows 10 builds prior to their respective patched versions. An official fix is available from Microsoft.
CVSS v3.1
Score 8.0high
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
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, tracked as CVE-2026-69717 and classified under CWE-822, involves an untrusted pointer dereference in the Windows Group Policy feature of Microsoft Windows 10 Version 1607 and other specified builds. An attacker with authorized network access can exploit this flaw to elevate their privileges. The vulnerability has a CVSS v3.1 base score of 8.0, indicating high severity, with impact on confidentiality, integrity, and availability. Microsoft has issued an official fix for the affected versions, as detailed in their security update guide.
Potential Impact
An authorized attacker who can access the network may exploit this vulnerability to elevate privileges, potentially gaining higher-level access than intended. The impact includes high confidentiality, integrity, and availability consequences, meaning sensitive information could be exposed or altered, and system availability could be compromised.
Mitigation Recommendations
Microsoft has released official fixes for this vulnerability. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T21:35:55.263Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69717","vendor":"Microsoft"}]
Threat ID: 6aa04522acd9273b49fa9873
Added to database: 09/08/2026, 17:25:54 UTC
Last enriched: 10/16/2026, 21:30:01 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 33
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