CVE-2025-48799
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Summary
Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 < 10.0.14393.8246 | affected |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 < 10.0.17763.7558 | affected |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 < 10.0.19044.6093 | affected |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 < 10.0.19045.6093 | affected |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 < 10.0.22621.5624 | affected |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 < 10.0.22631.5624 | affected |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 < 10.0.22631.5624 | affected |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 < 10.0.26100.4652 | affected |
| Microsoft | Windows Server 2025 | 10.0.26100.0 < 10.0.26100.4652 | affected |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 < 10.0.26100.4652 | affected |
Weaknesses
- CWE-59: CWE-59: Improper Link Resolution Before File Access ('Link Following')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
CVE Program Container
Additional References
- https://www.vicarius.io/vsociety/posts/cve-2025-48799-mitigation-script-elevation-of-privilege-vulnerability-in-windows-update-service
- https://www.vicarius.io/vsociety/posts/cve-2025-48799-detection-script-elevation-of-privilege-vulnerability-in-windows-update-service
References
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