CVE-2026-58601: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
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 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 VHD Miniport Driver component of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some level of authorization. Successful exploitation could lead to privilege escalation, granting the attacker higher system privileges. Microsoft has released an official patch to remediate this vulnerability as detailed in their security advisory.
Potential Impact
An authorized local attacker could exploit this heap-based buffer overflow to elevate their privileges on the affected Windows 10 system, potentially gaining higher-level access and control. The vulnerability impacts confidentiality, integrity, and availability, each rated high in impact according to the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58601 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-01T18:03:43.125Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58601","vendor":"Microsoft"}]
Threat ID: 6a566f8368715ace43e6c037
Added to database: 07/14/2026, 17:18:59 UTC
Last enriched: 08/13/2026, 16:06:41 UTC
Last updated: 10/11/2026, 18:57:23 UTC
Views: 91
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