CVE-2026-70563

EUVD-2026-73081
Improper link resolution before file access ('link following') in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
Link Following
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Windows Releases
Platform
Version
Windows 10
1607 (x64, x86)
KB5123099
1809 (x64, x86)
KB5122876
21H2 (arm64, x64, x86)
KB5122878
22H2 (arm64, x64, x86)
KB5122878
Windows 11
23H2 (arm64, x64)
KB5122880
24H2 (arm64, x64)
KB5124008
25H2 (arm64, x64)
KB5124008
26H1 (arm64, x64)
KB5124012
Windows Server 2012
Server Core
KB5123065
Standard
KB5123065
Windows Server 2012 R2
Server Core
KB5123066
Standard
KB5123066
Windows Server 2016
Server Core
KB5123099
Standard
KB5123099
Windows Server 2019
Server Core
KB5122876
Standard
KB5122876
Windows Server 2022
Server Core
KB5122882
Standard
KB5122882
Windows Server 2025
Server Core
KB5122871
Standard
KB5122871
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70563