CVE-2025-50171 | Remote Desktop Spoofing Vulnerability

Missing authorization in Remote Desktop Server allows an unauthorized attacker to perform spoofing over a network.

Published: 2025-08-12 Last update: 2025-08-14 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-50171 is rated High Risk (65.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.31%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-50171

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-08 0.55% 1.31% +0.76%
2 2026-05-18 0.41% 0.55% +0.15%
3 2026-05-08 0.41%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-50171

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 5.2 [email protected]

Weakness enumeration for CVE-2025-50171

Affected software / configurations for CVE-2025-50171

Vendor Product Version Raw CPE
microsoft windows_server_2022 < 10.0.20348.3989 cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
microsoft windows_server_2022_23h2 < 10.0.25398.1791 cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
microsoft windows_server_2025 < 10.0.26100.4851 cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

References for CVE-2025-50171

cvelogic Threat Intelligence