7.8
High
CVE-2025-48799 Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker…
Description
Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1809 10.0 | 10.0.17763.0 → < 10.0.17763.7558 | 10.0.17763.7558 |
| Windows 10 Version 21H2 10.0 | 10.0.19044.0 → < 10.0.19044.6093 | 10.0.19044.6093 |
| Windows 11 version 22H2 10.0 | 10.0.22621.0 → < 10.0.22621.5624 | 10.0.22621.5624 |
| Windows 10 Version 22H2 10.0 | 10.0.19045.0 → < 10.0.19045.6093 | 10.0.19045.6093 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.4652 | 10.0.26100.4652 |
| Windows 11 version 22H3 10.0 | 10.0.22631.0 → < 10.0.22631.5624 | 10.0.22631.5624 |
| Windows 11 Version 23H2 10.0 | 10.0.22631.0 → < 10.0.22631.5624 | 10.0.22631.5624 |
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.4652 | 10.0.26100.4652 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.4652 | 10.0.26100.4652 |
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| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1607 10.0 | 10.0.14393.0 → < 10.0.14393.8246 | 10.0.14393.8246 |
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