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CVE-2025-48799

nvd nist
Published: Jul 8, 2025Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: secure@microsoft.com (Secondary)

Description

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

Affected (10)

Microsoft
8 products
Windows 10 1607
Windows 10 1809
Windows 10 21h2
Windows 10 22h2
Windows 11 22h2
Windows 11 23h2
Windows 11 24h2
Windows Server 2025
Configuration A
10 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
Windows 10 1607
version < 10.0.14393.8246
Windows 10 1607
version < 10.0.14393.8246
Microsoft
Windows 10 1809
version < 10.0.17763.7558
Windows 10 1809
version < 10.0.17763.7558
Windows 10 21h2
version < 10.0.19044.6093
Windows 10 22h2
version < 10.0.19045.6093
Windows 11 22h2
version < 10.0.22621.5624
Windows 11 23h2
version < 10.0.22631.5624
Windows 11 24h2
version < 10.0.26100.4652
Windows Server 2025
version < 10.0.26100.4652

Related CWEs

CWE-59
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 (3)

Source: secure@microsoft.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitMitigationThird Party Advisory

Timeline

No history available yet.