CVE-2026-58527

EUVD-2026-44283
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 11.52%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_11_24h2
𝑥
< 10.0.26100.8875
microsoftwindows_11_24h2
𝑥
< 10.0.26100.8875
microsoftwindows_11_25h2
𝑥
< 10.0.26200.8875
microsoftwindows_11_25h2
𝑥
< 10.0.26200.8875
microsoftwindows_11_26h1
𝑥
< 10.0.28000.2525
microsoftwindows_11_26h1
𝑥
< 10.0.28000.2525
microsoftwindows_server_2022
𝑥
< 10.0.20348.5386
microsoftwindows_server_2025
𝑥
< 10.0.26100.33158
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 11
24H2 (arm64, x64)
25H2 (arm64, x64)
26H1 (arm64, x64)
Windows Server 2022
Standard
Windows Server 2025
Server Core
Standard