CVE-2025-27731
published 2025-04-08CVE-2025-27731: Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
PriorityP344high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.56%
41.8th percentile
Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
Affected
30 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1809 | < 10.0.17763.7136 | 10.0.17763.7136 |
| microsoft | windows_10_21h2 | < 10.0.19044.5737 | 10.0.19044.5737 |
| microsoft | windows_10_22h2 | < 10.0.19045.5737 | 10.0.19045.5737 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.7136 | 10.0.17763.7136 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.5737 | 10.0.19044.5737 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.5737 | 10.0.19045.5737 |
| microsoft | windows_11_22h2 | < 10.0.22621.5189 | 10.0.22621.5189 |
| microsoft | windows_11_23h2 | < 10.0.22631.5189 | 10.0.22631.5189 |
| microsoft | windows_11_24h2 | < 10.0.26100.3775 | 10.0.26100.3775 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.5189 | 10.0.22621.5189 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.5189 | 10.0.22631.5189 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.5189 | 10.0.22631.5189 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.3775 | 10.0.26100.3775 |
| microsoft | windows_server_2019 | < 10.0.17763.7136 | 10.0.17763.7136 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.7136 | 10.0.17763.7136 |
| microsoft | windows_server_2022 | < 10.0.20348.3453 | 10.0.20348.3453 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.3453 | 10.0.20348.3453 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.1551 | 10.0.25398.1551 |
| microsoft | windows_server_2025 | < 10.0.26100.3775 | 10.0.26100.3775 |
| microsoft | windows_server_2025 | >= 10.0.26100.0 < 10.0.26100.3775 | 10.0.26100.3775 |
| msrc | windows_10_version_1809 | — | — |
| msrc | windows_10_version_21h2 | — | — |
| msrc | windows_10_version_22h2 | — | — |
| msrc | windows_11_version_22h2 | — | — |
| msrc | windows_11_version_23h2 | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.8HIGH
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GHSA
GHSA-c3xg-4h7v-p83w: Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges locally
ghsa_unreviewed·2025-04-08
CVE-2025-27731 [HIGH] CWE-20 GHSA-c3xg-4h7v-p83w: Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges locally
Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
Microsoft
Microsoft OpenSSH for Windows Elevation of Privilege Vulnerability
vendor_msrc·2025-04-08·CVSS 7.8
CVE-2025-27731 [HIGH] CWE-20 Microsoft OpenSSH for Windows Elevation of Privilege Vulnerability
Microsoft OpenSSH for Windows Elevation of Privilege Vulnerability
Description: Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
FAQ: What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited this vulnerability could gain administrator privileges.
OpenSSH for Windows: OpenSSH for Windows
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5055519
Reference: https://support.microsoft.com/help/5055519
Reference: https://catalog.update.microsoft.com/v7
No detection rules found.
No public exploits indexed.
2025-04-08
Published