CVE-2026-50364
Windows Backup Service Elevation of Privilege Vulnerability
CVSS Score
7.3
EPSS Score
0.4%
EPSS Percentile
27th
Improper link resolution before file access ('link following') in Windows Server Backup allows an authorized attacker to elevate privileges locally.
| Vendor | microsoft |
| Product | windows 10 version 21h2 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jul 14, 2026 |
| Last Updated | Jul 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Windows 10 Version 21H2
10.0.19044.0 < 10.0.19044.7548
Microsoft / Windows 10 Version 22H2
10.0.19045.0 < 10.0.19045.7548
Microsoft / Windows 11 Version 24H2
10.0.26100.0 < 10.0.26100.8875
Microsoft / Windows 11 Version 25H2
10.0.26200.0 < 10.0.26200.8875
Microsoft / Windows 11 version 26H1
10.0.28000.0 < 10.0.28000.2269