Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability (Microsoft Windows 10 Version 22H2)

CVE-2026-66804
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.30 % · percentile 23 ()
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Analyzed

Description

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

Weaknesses (CWE)

  • CWE-284 — Improper Access Control

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · secure@microsoft.com (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · Windows 10 Version 22H2affected 10.0.19045.0 < 10.0.19045.7663
Microsoft · Windows 11 Version 24H2affected 10.0.26100.0 < 10.0.26100.9168
Microsoft · Windows 11 Version 25H2affected 10.0.26200.0 < 10.0.26200.9168
Microsoft · Windows 11 version 26H1affected 10.0.28000.0 < 10.0.28000.2704

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD