Improper access control in Windows Cross Device Service allows an authorized attacker to elevate privileges locally.
History

Wed, 12 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 11 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
Description Improper access control in Windows Cross Device Service allows an authorized attacker to elevate privileges locally.
Title Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft windows 10 22h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Weaknesses CWE-284
CPEs cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*
Vendors & Products Microsoft
Microsoft windows 10 22h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-12T17:56:01.390Z

Reserved: 2026-07-27T19:02:26.601Z

Link: CVE-2026-66804

cve-icon Vulnrichment

Updated: 2026-08-12T15:47:58.700Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-08-11T17:19:01.733

Modified: 2026-08-12T16:17:14.650

Link: CVE-2026-66804

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T01:45:02Z