CVE-2026-42991EPSS p3.8%

CVE-2026-42991CVE-2026-42991

microsoft / windows_10_1809

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.

Scoring

CVSS 7.8 ()
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS0.14% probability of exploitation · percentile 3.8% · 2026-06-19T12:03:05Z
Last modified2026-06-11

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.