CVE-2026-50400: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 10 Version 1607
Stack-based buffer overflow in Windows App Installer allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50400) involves a stack-based buffer overflow in the Windows App Installer on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate their privileges, potentially gaining higher system rights. The vulnerability has been assigned a CVSS v3.1 base score of 7.8, indicating high severity with impacts to confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges on the affected Windows 10 Version 1607 system. This could lead to unauthorized access to sensitive system functions and data, compromising system confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate the issue. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50400 for detailed patch information and deployment instructions.
CVE-2026-50400: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Stack-based buffer overflow in Windows App Installer 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 (CVE-2026-50400) involves a stack-based buffer overflow in the Windows App Installer on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate their privileges, potentially gaining higher system rights. The vulnerability has been assigned a CVSS v3.1 base score of 7.8, indicating high severity with impacts to confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges on the affected Windows 10 Version 1607 system. This could lead to unauthorized access to sensitive system functions and data, compromising system confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate the issue. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50400 for detailed patch information and deployment instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:56:53.258Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50400","vendor":"Microsoft"}]
Threat ID: 6a56769868715ace43f08e74
Added to database: 07/14/2026, 17:49:12 UTC
Last enriched: 08/13/2026, 14:47:50 UTC
Last updated: 08/26/2026, 22:52:11 UTC
Views: 47
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