CVE-2026-50477: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50477) involves a heap-based buffer overflow in the Windows Kernel component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw allows a local attacker with authorized access to escalate privileges, potentially gaining higher system rights. The issue is tracked under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix addressing this vulnerability.
Potential Impact
An authorized local attacker can exploit this heap-based buffer overflow to elevate their privileges on the affected system. This could lead to full system compromise, including complete control over the affected Windows 10 Version 1607 system. The CVSS 3.1 score of 8.8 reflects high impact on confidentiality, integrity, and availability.
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-2026-50477 to remediate this vulnerability.
CVE-2026-50477: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50477) involves a heap-based buffer overflow in the Windows Kernel component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw allows a local attacker with authorized access to escalate privileges, potentially gaining higher system rights. The issue is tracked under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix addressing this vulnerability.
Potential Impact
An authorized local attacker can exploit this heap-based buffer overflow to elevate their privileges on the affected system. This could lead to full system compromise, including complete control over the affected Windows 10 Version 1607 system. The CVSS 3.1 score of 8.8 reflects high impact on confidentiality, integrity, and availability.
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-2026-50477 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:59:53.336Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50477","vendor":"Microsoft"}]
Threat ID: 6a5676a468715ace43f095e3
Added to database: 07/14/2026, 17:49:24 UTC
Last enriched: 08/13/2026, 15:01:34 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 33
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