CVE-2026-50364

Published: Jul 14, 2026Modified: Jul 22, 2026

7.3

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.3 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

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

Affected (12)

Products: Microsoft: Windows 10 21h2, Windows 10 22h2, Windows 11 24h2, Windows 11 25h2, Windows 11 26h1

5 products

Windows 10 21h2

Windows 10 22h2

Windows 11 24h2

Windows 11 25h2

Windows 11 26h1

Configuration A

12 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 21h2	Before 10.0.19044.7548
Microsoft Windows 10 21h2	Before 10.0.19044.7548
Microsoft Windows 10 21h2	Before 10.0.19044.7548
Microsoft Windows 10 22h2	Before 10.0.19045.7548
Microsoft Windows 10 22h2	Before 10.0.19045.7548
Microsoft Windows 10 22h2	Before 10.0.19045.7548
Microsoft Windows 11 24h2	Before 10.0.26100.8875
Microsoft Windows 11 24h2	Before 10.0.26100.8875
Microsoft Windows 11 25h2	Before 10.0.26200.8875
Microsoft Windows 11 25h2	Before 10.0.26200.8875
Microsoft Windows 11 26h1	Before 10.0.28000.2525
Microsoft Windows 11 26h1	Before 10.0.28000.2269

Related CWEs

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50364

Source: secure@microsoft.com

PatchVendor Advisory

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