CVE-2026-69423: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
CVE-2026-69423 is a heap-based buffer overflow vulnerability in the Windows USB Video Driver affecting multiple Windows 10 versions including Version 1607. This flaw allows an authorized attacker to elevate privileges over a network. The vulnerability has a high severity rating with a CVSS score of 8.0. Microsoft has released official fixes for the affected versions.
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 is a heap-based buffer overflow in the Windows USB Video Driver component of Microsoft Windows 10, including Version 1607 and other specified builds. An authorized attacker can exploit this flaw remotely over a network to elevate privileges, potentially gaining higher-level access than intended. The vulnerability is tracked as CVE-2026-69423 and is associated with CWE-122 (Heap-based Buffer Overflow). Multiple affected Windows 10 builds are identified with specific version ranges. Microsoft has published an official fix and remediation is available.
Potential Impact
Successful exploitation of this vulnerability allows an authorized attacker to elevate privileges on the affected system remotely over a network. This can lead to full system compromise or unauthorized actions with elevated rights. The CVSS v3.1 score of 8.0 indicates high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Microsoft has released official patches addressing this vulnerability for all affected Windows 10 versions listed. Users and administrators should apply these updates promptly to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:59:32.783Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69423","vendor":"Microsoft"}]
Threat ID: 6aa044f6acd9273b49fa802d
Added to database: 09/08/2026, 17:25:10 UTC
Last enriched: 10/16/2026, 21:11:31 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 24
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