CVE-2026-50364

EUVD-2026-43847
Improper link resolution before file access ('link following') in Windows Server Backup allows an authorized attacker to elevate privileges locally.
Link Following
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.3 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 38.5%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10_21h2
𝑥
< 10.0.19044.7548
microsoftwindows_10_21h2
𝑥
< 10.0.19044.7548
microsoftwindows_10_21h2
𝑥
< 10.0.19044.7548
microsoftwindows_10_22h2
𝑥
< 10.0.19045.7548
microsoftwindows_10_22h2
𝑥
< 10.0.19045.7548
microsoftwindows_10_22h2
𝑥
< 10.0.19045.7548
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
< 10.0.28000.2269
microsoftwindows_11_26h1
𝑥
< 10.0.28000.2525
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
21H2 (arm64, x64, x86)
22H2 (arm64, x64, x86)
Windows 11
24H2 (arm64, x64)
25H2 (arm64, x64)
26H1 (arm64, x64)