Vulnerability · Published Aug 12, 2025 · Assigned by microsoft
CVE-2025-50171Remote Desktop Spoofing Vulnerability
Critical 9.1
In plain English
A critical-severity missing authorization in Windows 10 Version 21H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)1.0%top 35.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Missing authorization in Remote Desktop Server allows an unauthorized attacker to perform spoofing over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 – before 10.0.19044.6216 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 – before 10.0.19045.6216 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – before 10.0.22621.5768 |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 – before 10.0.22631.5768 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 – before 10.0.22631.5768 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 – before 10.0.26100.4946 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – before 10.0.20348.4052 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 – before 10.0.25398.1791 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – before 10.0.26100.4946 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – before 10.0.26100.4946 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
References
- Remote Desktop Spoofing Vulnerability vendor-advisory, patch