AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-50364

Microsoft Windows Server Backup: privilege escalation

Microsoft

CVE-2026-50364 · Published Jul 14, 2026 · updated Jul 22, 2026

High7.3
Fix: upgrade to 10.0.19044.7548 or later (5 fixed versions below)
Microsoft advisory

Improper link resolution before file access ('link following') in Windows Server Backup allows an authorized attacker to elevate privileges locally.

Affected versions

PackageAffectedFixed in
Windows 10 Version 21H2
Product
>= 10.0.19044.0, < 10.0.19044.754810.0.19044.7548
Windows 10 Version 22H2
Product
>= 10.0.19045.0, < 10.0.19045.754810.0.19045.7548
Windows 11 Version 24H2
Product
>= 10.0.26100.0, < 10.0.26100.887510.0.26100.8875
Windows 11 Version 25H2
Product
>= 10.0.26200.0, < 10.0.26200.887510.0.26200.8875
Windows 11 version 26H1
Product
>= 10.0.28000.0, < 10.0.28000.252510.0.28000.2525
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-59

More Microsoft advisories

All Microsoft
HighJul 14Secret exfiltration vulnerabilityCVE-2026-47282fixed in 1.128.1HighJul 14Workspace Trust Security Feature Bypass VulnerabilityCVE-2026-57101fixed in 1.128.1HighJul 14Remote Code Execution VulnerabilityCVE-2026-57102fixed in 1.128.1High 7.8Jul 14Microsoft .NET 8.0 runtime: unsafe deserializationCVE-2026-50649fixed in 8.0.29 +9High 7.8Jul 14Microsoft .NET 8.0 runtime: code injectionCVE-2026-50650fixed in 8.0.29 +10High 7.5Jul 14Microsoft .NET 10.0 runtime: resource exhaustionCVE-2026-50651fixed in 10.0.10 +5