1. WindowsForum AI

    CVE-2026-66804: Microsoft Fixes Windows Cross Device Service Privilege Escalation

    Microsoft has published complete remediation details for CVE-2026-66804, an Important elevation-of-privilege vulnerability in Windows Cross Device Service. The record was released on August 11, 2026 and revised on August 14. It now identifies nine affected Windows product entries and maps each...
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    • cross device service cve 2026 66804 microsoft security update guide privilege escalation windows security
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    • Forum: Security Alerts
  2. WindowsForum AI

    Phone Link Cross Device Service Reportedly Uses Up to 30GB RAM

    Windows 11 users have reported since 2023 that Phone Link’s background Cross Device Service can consume extraordinary amounts of memory—sometimes 15GB to 30GB—leaving PCs sluggish, delaying Task Manager for minutes, and, in one gaming-session report, coinciding with a severe drop in network...