CVE-2026-69312: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
CVE-2026-69312 is a high-severity vulnerability in Microsoft Windows 10 Version 1607 involving an out-of-bounds read in the NTFS component. This flaw allows an authorized local attacker to elevate privileges. The vulnerability affects multiple Windows 10 builds prior to specific patched versions. An official fix is available from Microsoft.
CVSS v3.1
Score 7.8high
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
CVE-2026-69312 is an out-of-bounds read vulnerability classified under CWE-125 affecting the Windows NTFS file system driver. It allows an authorized attacker with local access to read memory outside the intended bounds, potentially leading to privilege escalation. The vulnerability impacts various Windows 10 versions, including builds starting from 10.0.14393.0 up to but excluding 10.0.14393.9512 and other specified build ranges. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability enables an authorized local attacker to elevate their privileges on the affected Windows 10 systems. The CVSS v3.1 base score is 7.8, indicating high severity with impacts to confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69312 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:46:07.441Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69312","vendor":"Microsoft"}]
Threat ID: 6aa044e3acd9273b49fa7e09
Added to database: 09/08/2026, 17:24:51 UTC
Last enriched: 10/16/2026, 21:02:19 UTC
Last updated: 10/22/2026, 01:15:25 UTC
Views: 25
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