CVE-2026-50491: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Out-of-bounds read in Code Integrity DLL (ci.dll) allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read in the Code Integrity DLL (ci.dll) component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with limited privileges and can result in privilege escalation. The vulnerability is tracked as CWE-125 (Out-of-bounds Read). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the system. The impact includes confidentiality, integrity, and availability being rated as high according to the CVSS vector.
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-2026-50491 to remediate this vulnerability.
CVE-2026-50491: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
Out-of-bounds read in Code Integrity DLL (ci.dll) allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read in the Code Integrity DLL (ci.dll) component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with limited privileges and can result in privilege escalation. The vulnerability is tracked as CWE-125 (Out-of-bounds Read). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the system. The impact includes confidentiality, integrity, and availability being rated as high according to the CVSS vector.
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-2026-50491 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:59:53.337Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50491","vendor":"Microsoft"}]
Threat ID: 6a5676a668715ace43f09637
Added to database: 07/14/2026, 17:49:26 UTC
Last enriched: 08/13/2026, 15:03:53 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 91
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