CVE-2026-69813: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-69813 is a use-after-free vulnerability in the Windows DNS component affecting Windows 10 Version 1607 and related versions. This flaw allows an unauthorized attacker to execute code remotely over a network. The vulnerability has a high severity with a CVSS score of 8.1. An official fix is available from Microsoft.
CVSS v3.1
Score 8.1high
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-2026-69813) is a use-after-free issue in the Windows DNS service that affects multiple versions of Windows 10, including Version 1607 and others. Exploitation could allow an attacker to remotely execute arbitrary code without user interaction or privileges. The flaw is tracked under CWE-416. Microsoft has published an official fix addressing this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution with high impact on confidentiality, integrity, and availability. An attacker can execute arbitrary code over the network without requiring privileges or user interaction, potentially leading to full system compromise.
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 as detailed in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69813.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T22:50:31.851Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69813","vendor":"Microsoft"}]
Threat ID: 6aa0452dacd9273b49fa9998
Added to database: 09/08/2026, 17:26:05 UTC
Last enriched: 10/16/2026, 21:35:03 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 27
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.