CVE-2026-50400: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 10 Version 1607
CVE-2026-50400 is a stack-based buffer overflow vulnerability in the Windows App Installer component of Microsoft Windows 10 Version 1607. This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating with a CVSS score of 7.8. An official fix has been released by Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability 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 is tracked as CWE-121 and has a CVSS 3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity. 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-2026-50400 to remediate this vulnerability.
CVE-2026-50400: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
CVE-2026-50400 is a stack-based buffer overflow vulnerability in the Windows App Installer component of Microsoft Windows 10 Version 1607. This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating with a CVSS score of 7.8. An official fix has been released by Microsoft to address this issue.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability 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 is tracked as CWE-121 and has a CVSS 3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity. 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-2026-50400 to remediate this vulnerability.
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: 07/15/2026, 00:03:11 UTC
Last updated: 07/15/2026, 00:03:11 UTC
Views: 4
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