7.8

CVE-2025-48799

Exploit

Windows Update Service Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1607 HwPlatform x64 Version < 10.0.14393.8246
Microsoft ≫ Windows 10 1607 HwPlatform x86 Version < 10.0.14393.8246
Microsoft ≫ Windows 10 1809 HwPlatform x64 Version < 10.0.17763.7558
Microsoft ≫ Windows 10 1809 HwPlatform x86 Version < 10.0.17763.7558
Microsoft ≫ Windows 10 21h2 Version < 10.0.19044.6093
Microsoft ≫ Windows 10 22h2 Version < 10.0.19045.6093
Microsoft ≫ Windows 11 22h2 Version < 10.0.22621.5624
Microsoft ≫ Windows 11 23h2 Version < 10.0.22631.5624
Microsoft ≫ Windows 11 24h2 Version < 10.0.26100.4652
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.4652
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.05% 0.613
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48799
Vendor Advisory
https://www.vicarius.io/vsociety/posts/cve-2025-48799-detection-script-elevation-of-privilege-vulnerability-in-windows-update-service
Third Party Advisory
Exploit
https://www.vicarius.io/vsociety/posts/cve-2025-48799-mitigation-script-elevation-of-privilege-vulnerability-in-windows-update-service
Third Party Advisory
Exploit
Mitigation