CVE-2026-69945

Analyzed Analyzed - Analysis Complete

Missing Authorization in Windows AppX Deployment Extensions

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description

Missing authorization in Windows AppX Deployment Extensions 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-2026-69945

EUVD

EUVD-2026-99109

Affected Vendors & Products

Vendor	Product	Version / Range
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_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-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability is a missing authorization flaw in Windows AppX Deployment Extensions. An authorized attacker can exploit it to elevate their privileges locally on affected systems.

Impact Analysis

An attacker could gain higher-level access to your system, allowing them to install programs, view or delete data, or create new accounts with full user rights. This could lead to system compromise or data breaches.

Compliance Impact

This vulnerability allows local privilege escalation, which could enable unauthorized access to sensitive data or systems. This may violate compliance requirements under GDPR (data protection) and HIPAA (health information security) by exposing personal or health data to unauthorized users.

Mitigation Strategies

Apply the latest Windows security updates from Microsoft Update to patch the missing authorization in AppX Deployment Extensions. Monitor Microsoft's security advisories for patches and install them promptly.

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