CVE-2026-50686: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft Windows 10 Version 1607
Description
Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 8.1high
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50686) is a type confusion (CWE-843) in the Windows Object Linking and Embedding (OLE) component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It allows an attacker to access resources using incompatible types, which can lead to remote code execution without requiring user interaction or privileges. The vulnerability has a CVSS 3.1 base score of 8.1, indicating high severity. Microsoft has released an official patch to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthenticated attacker to execute arbitrary code remotely on a vulnerable Windows 10 Version 1607 system. This could result in full compromise of the affected system, including confidentiality, integrity, and availability impacts.
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-2026-50686 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-05T14:35:07.080Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50686","vendor":"Microsoft"}]
Threat ID: 6a5676ac68715ace43f0978a
Added to database: 07/14/2026, 17:49:32 UTC
Last enriched: 08/13/2026, 15:18:02 UTC
Last updated: 10/13/2026, 18:57:38 UTC
Views: 97
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