CVE-2026-26170
published 2026-04-14CVE-2026-26170: Improper input validation in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.
high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
Improper input validation in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.
Affected
26 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1607 | < 10.0.14393.9060 | 10.0.14393.9060 |
| microsoft | windows_10_1809 | < 10.0.17763.8644 | 10.0.17763.8644 |
| microsoft | windows_10_21h2 | < 10.0.19044.7184 | 10.0.19044.7184 |
| microsoft | windows_10_22h2 | < 10.0.19045.7184 | 10.0.19045.7184 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.9060 | 10.0.14393.9060 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.8644 | 10.0.17763.8644 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.7184 | 10.0.19044.7184 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.7184 | 10.0.19045.7184 |
| microsoft | windows_11_23h2 | < 10.0.22631.6936 | 10.0.22631.6936 |
| microsoft | windows_11_24h2 | < 10.0.26100.8246 | 10.0.26100.8246 |
| microsoft | windows_11_25h2 | < 10.0.26200.8246 | 10.0.26200.8246 |
| microsoft | windows_11_26h1 | < 10.0.28000.1836 | 10.0.28000.1836 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.6936 | 10.0.22631.6936 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.6936 | 10.0.22631.6936 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.8246 | 10.0.26100.8246 |
| microsoft | windows_11_version_25h2 | >= 10.0.26200.0 < 10.0.26200.8246 | 10.0.26200.8246 |
| microsoft | windows_11_version_26h1 | >= 10.0.28000.0 < 10.0.28000.1836 | 10.0.28000.1836 |
| microsoft | windows_server_2016 | < 10.0.14393.9060 | 10.0.14393.9060 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.9060 | 10.0.14393.9060 |
| microsoft | windows_server_2019 | < 10.0.17763.8644 | 10.0.17763.8644 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.8644 | 10.0.17763.8644 |
| microsoft | windows_server_2022 | < 10.0.20348.5020 | 10.0.20348.5020 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.5020 | 10.0.20348.5020 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.2274 | 10.0.25398.2274 |
| microsoft | windows_server_2025 | < 10.0.26100.32690 | 10.0.26100.32690 |