CVE-2026-116714

Windows AppX Deployment Service Elevation of Privilege Vulnerability

Published Nov 10, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Incorrect authorization in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Vendors & Products Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Incorrect authorization in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.
Title Windows AppX Deployment Service Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows Server 2022
Weaknesses CWE-863
CPEs cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows Server 2022
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 13, 2026, 6:10 PM
Reserved
Oct 26, 2026, 8:11 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 7:19 PM
Modified
Nov 10, 2026, 8:18 PM