Exploit for CVE-2026-42978-PoC-Research

Local privilege escalation via use-after-free in Windows Push Notifications service (WpnService).

Published 5 Sep 2026Updated 5 Sep 20263 sources
CVSS 7.8 PoC CANDIDATE

What happened

Local privilege escalation via use-after-free in Windows Push Notifications service (WpnService).

Affected versions

Unknown product: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references