CVE-2026-105520

EUVD-2026-122019
Improper link resolution before file access ('link following') in Windows DNS allows an authorized attacker to elevate privileges over a network.
Link Following
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/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 Server 2016
Server Core
KB5131291
Standard
KB5131291
Windows Server 2019
Server Core
KB5131085
Standard
KB5131085
Windows Server 2022
Server Core
KB5131090
Standard
KB5131090
Windows Server 2025
Server Core
KB5131080
Standard
KB5131080
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105520