CVE-2026-58601: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in the VHD Miniport Driver component of Windows 10 Version 1607. An attacker with local authorized access can exploit this flaw to escalate privileges, potentially gaining higher system rights. The vulnerability is tracked as CWE-122 and has a CVSS v3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, which can lead to full system compromise depending on the privileges gained. The vulnerability affects system confidentiality, integrity, and availability as indicated by the CVSS vector. 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 update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58601 to remediate this vulnerability.
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
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. An attacker with local authorized access can exploit this flaw to escalate privileges, potentially gaining higher system rights. The vulnerability is tracked as CWE-122 and has a CVSS v3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, which can lead to full system compromise depending on the privileges gained. The vulnerability affects system confidentiality, integrity, and availability as indicated by the CVSS vector. 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 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: 07/14/2026, 17:34:10 UTC
Last updated: 07/14/2026, 20:03:48 UTC
Views: 2
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