CVE-2026-69619: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
CVE-2026-69619 is a high-severity vulnerability in the Windows exFAT File System affecting multiple Windows 10 versions including Version 1607. It involves an out-of-bounds read that allows an authorized attacker to elevate privileges over a network. The vulnerability has an official fix available from Microsoft.
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 (CVE-2026-69619) is an out-of-bounds read issue in the Windows exFAT File System. It affects various builds of Windows 10, including Version 1607 and later versions up to specific patch levels. An authorized attacker can exploit this flaw remotely over a network to elevate privileges. The CVSS 3.1 score is 8.0, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an authorized attacker to elevate privileges remotely over a network, potentially gaining higher-level access to the affected system. The impact includes high confidentiality, integrity, and availability consequences as per the CVSS vector.
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-2026-69619.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T21:21:00.595Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69619","vendor":"Microsoft"}]
Threat ID: 6aa04518acd9273b49fa96fe
Added to database: 09/08/2026, 17:25:44 UTC
Last enriched: 10/16/2026, 21:25:16 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 21
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