CVE-2026-69926

Analyzed Analyzed - Analysis Complete

Desktop Window Manager Type Confusion Privilege Escalation

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description

Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-69926

EUVD

EUVD-2026-99103

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_server_2025	to 10.0.26100.33650 (exc)
microsoft	windows_server_2022	to 10.0.20348.5761 (exc)
microsoft	windows_server_2019	to 10.0.17763.9376 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-843	The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

Attack-Flow Graph

Executive Summary

This vulnerability is a type confusion issue in the Desktop Window Manager component of Windows. It allows an authorized attacker to exploit mismatched data types to execute arbitrary code with elevated privileges on the local system.

Detection Guidance

This vulnerability is a local privilege escalation issue in Desktop Window Manager. Detection typically requires monitoring for unusual privilege changes or suspicious processes. Check Windows Event Logs for Event ID 4688 (new process creation) and Event ID 4624 (successful logon). Use PowerShell commands like Get-WinEvent -LogName Security | Where-Object {$_.Id -eq 4688} to review process creation events.

Impact Analysis

An attacker could exploit this to gain higher-level permissions on your system, potentially allowing them to install programs, view or delete data, or create new accounts with full user rights. This could lead to complete system compromise if not patched.

Compliance Impact

This vulnerability allows local privilege escalation via type confusion in Desktop Window Manager. While not directly impacting GDPR or HIPAA compliance, such vulnerabilities could enable unauthorized access to sensitive data, potentially violating confidentiality requirements under these regulations if exploited.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Desktop Window Manager type confusion vulnerability. Monitor Microsoft's update guide for patches and install them promptly.

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