CVE-2026-27921EPSS p9.5%

CVE-2026-27921CVE-2026-27921

microsoft / windows_10_1607

Description

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

Scoring

CVSS 7.0 ()
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.20% probability of exploitation · percentile 9.5% · 2026-10-17T12:00:28Z
Last modified2026-10-14
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.