CVE-2026-69415: CWE-306: Missing Authentication for Critical Function in Microsoft Windows 10 Version 1607
Description
CVE-2026-69415 is a vulnerability in Microsoft Windows 10 Version 1607 and related versions where a missing authentication check in the Windows DHCP Server allows an authorized attacker to elevate privileges over a network. The vulnerability has a CVSS score of 6.8, indicating a medium severity level. An official fix is available from Microsoft.
CVSS v3.1
Score 6.8medium
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)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-69415) involves a missing authentication for a critical function in the Windows DHCP Server component in multiple Windows versions including Windows 10 Version 1607. This flaw allows an attacker with some level of authorization to elevate their privileges remotely over the network. The CVSS 3.1 vector indicates the attack requires network access, low attack complexity, high privileges, and user interaction, with high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized attacker can exploit this vulnerability to elevate privileges on affected Windows systems remotely over the network. This could lead to full control over the affected system, compromising confidentiality, integrity, and availability of the system and its data.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for the affected Windows versions to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69415 for detailed patch information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:57:58.964Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69415","vendor":"Microsoft"}]
Threat ID: 6aa044f3acd9273b49fa7fbc
Added to database: 09/08/2026, 17:25:07 UTC
Last enriched: 10/16/2026, 21:10:49 UTC
Last updated: 10/23/2026, 01:15:26 UTC
Views: 35
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