CVE-2026-57088

EUVD-2026-44273
Improper access control in Extensible Storage Engine (ESENT) allows an authorized attacker to elevate privileges locally.
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
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Windows Releases
Platform
Version
Windows 10
1809 (x64, x86)
KB5099538
Windows Server 2019
Server Core
KB5099538
Standard
KB5099538
Windows Server 2022
Standard
KB5099540
Windows Server 2025
Server Core
KB5099536
Standard
KB5099536
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57088