CVE-2026-66804

Microsoft Windows 10 Version 22H2 CWE-284

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

CVSS Score

7.8

High

EPSS — Exploit Probability

0.3%

Riskier than 20% of all CVEs · checked 2026-09-28

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

Patch available

Vendor fix published

1 article across 1 outlet · first covered Aug 18, 2026 · latest Aug 18, 2026

Coverage timeline