CVE-2026-69824: CWE-191: Integer Underflow (Wrap or Wraparound) in Microsoft Windows 10 Version 1607
Description
CVE-2026-69824 is a critical integer underflow vulnerability in Microsoft Standard XPS on Windows 10 Version 1607 and other specified versions. This flaw allows an unauthorized attacker to execute code remotely over a network without user interaction. The vulnerability affects multiple Windows 10 builds prior to specific patch versions. An official fix is available from Microsoft.
CVSS v3.1
Score 9.8critical
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, identified as CVE-2026-69824, involves an integer underflow (wrap or wraparound) in the Microsoft Standard XPS component of Windows 10 Version 1607 and other related versions. The flaw enables remote code execution by an attacker without requiring privileges or user interaction. The CVSS v3.1 base score is 9.8, indicating critical severity with high impact on confidentiality, integrity, and availability. Multiple Windows 10 versions are affected prior to their respective patch levels. Microsoft has released an official fix addressing this issue.
Potential Impact
Successful exploitation allows an unauthenticated attacker to execute arbitrary code remotely, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of affected systems.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69824. No additional mitigation steps are indicated by the vendor advisory.
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-2026-69824","vendor":"Microsoft"}]
Threat ID: 6aa04531acd9273b49fa9a1f
Added to database: 09/08/2026, 17:26:09 UTC
Last enriched: 10/16/2026, 21:35:55 UTC
Last updated: 10/24/2026, 03:05:10 UTC
Views: 55
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