CVE-2026-58640: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability is a heap-based buffer overflow in the Windows NTFS driver on Windows 10 Version 1607 (build 10.0.14393.0). It permits an attacker with local privileges to execute arbitrary code, potentially leading to full system compromise. The CVSS 3.1 base score is 7.3, reflecting 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 execute arbitrary code with elevated privileges, compromising system confidentiality, integrity, and availability. This could lead to full control over the affected system.
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-2026-58640 to remediate this vulnerability.
CVE-2026-58640: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
CVSS v3.1
Score 7.3high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a heap-based buffer overflow in the Windows NTFS driver on Windows 10 Version 1607 (build 10.0.14393.0). It permits an attacker with local privileges to execute arbitrary code, potentially leading to full system compromise. The CVSS 3.1 base score is 7.3, reflecting 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 execute arbitrary code with elevated privileges, compromising system confidentiality, integrity, and availability. This could lead to full control over the affected system.
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-2026-58640 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-01T21:14:44.618Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58640","vendor":"Microsoft"}]
Threat ID: 6a566f8468715ace43e6c0d0
Added to database: 07/14/2026, 17:19:00 UTC
Last enriched: 08/13/2026, 16:13:22 UTC
Last updated: 08/24/2026, 22:52:12 UTC
Views: 60
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