7.8
High
CVE-2026-26183 Improper access control in Windows RPC API allows an authorized attacker to elevate privileges locally
Description
Improper access control in Windows RPC API allows an authorized attacker to elevate privileges locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2012 6.2 | 6.2.9200.0 → < 6.2.9200.26026 | 6.2.9200.26026 |
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.9200.0 → < 6.2.9200.26026 | 6.2.9200.26026 |
| Windows Server 2012 R2 6.3 | 6.3.9600.0 → < 6.3.9600.23132 | 6.3.9600.23132 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.9600.0 → < 6.3.9600.23132 | 6.3.9600.23132 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.9060 | 10.0.14393.9060 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.9060 | 10.0.14393.9060 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.8644 | 10.0.17763.8644 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.8644 | 10.0.17763.8644 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.5020 | 10.0.20348.5020 |
Show the 3 other branches Hide the 3 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 | 10.0.25398.0 → < 10.0.25398.2274 | 10.0.25398.2274 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.32690 | 10.0.26100.32690 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.32690 | 10.0.26100.32690 |
References
Timeline
- Published
- Last modified
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