CVE-2026-69412: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
CVE-2026-69412 is a stack-based buffer overflow vulnerability in the Windows DHCP Server component affecting multiple versions of Microsoft Windows 10, including Version 1607. This flaw allows an authorized attacker to execute code remotely over an adjacent network. The vulnerability has a high severity with a CVSS score of 8. 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 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-2026-69412) involves a stack-based buffer overflow in the Windows DHCP Server. It affects several specific builds of Windows 10 and related versions, allowing an attacker with authorized access to execute arbitrary code remotely on the affected system over an adjacent network. The vulnerability is tracked under CWE-121 and has a CVSS 3.1 base score of 8.0, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this issue.
Potential Impact
Successful exploitation of this vulnerability could allow an authorized attacker to execute arbitrary code remotely on the affected Windows 10 systems, potentially leading to full system compromise. The CVSS vector indicates low attack complexity, low privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69412 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:57:58.963Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69412","vendor":"Microsoft"}]
Threat ID: 6aa044f3acd9273b49fa7fb8
Added to database: 09/08/2026, 17:25:07 UTC
Last enriched: 10/16/2026, 21:10:39 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 27
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