CVE-2026-50668: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to elevate privileges with a physical attack.
CVSS v3.1
Score 6.8medium
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 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
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 involves a heap-based buffer overflow in the Windows NTFS driver on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires physical access and can lead to privilege escalation by an unauthorized attacker. The vulnerability is tracked as CWE-122. Microsoft has released an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability allows an attacker with physical access to elevate their privileges on the affected system. This can lead to full system compromise depending on the privileges gained. The vulnerability impacts confidentiality, integrity, and availability (all rated high in CVSS). There are no known exploits in the wild at this time.
Mitigation Recommendations
An official patch is available from Microsoft to remediate this vulnerability. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50668 to protect affected systems. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-05T14:33:50.832Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50668","vendor":"Microsoft"}]
Threat ID: 6a5676a968715ace43f096ec
Added to database: 07/14/2026, 17:49:29 UTC
Last enriched: 08/13/2026, 15:13:37 UTC
Last updated: 10/05/2026, 06:48:17 UTC
Views: 87
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