grizzzer/CVE-2026-42978-PoC-Research

PoC

CVE-2026-42978 — Use-After-Free race condition in Windows Push Notifications (WpnService). Patch diff, root cause analysis, TOCTOU lab, Sysmon/ETW detection rules.

view exploit source poc_in_githubauthor grizzzerpublished 2026-06-23catalog poc_in_github

exploited CVEs (1)

Known CVEs related to this entry.

ID	severity	EPSS	exploitable	published
CVE-2026-42978US	—	0.25% (16th)	Exploit	2026-06-09
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locall…

scry

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