CVE-2019-1222

CRITICAL

Windows 10 and Windows Server 2016/2019 - Unauthenticated Remote Code Execution via RDP Connection Request

Title source: llm
STIX 2.1

Description

A remote code execution vulnerability exists in Remote Desktop Services – formerly known as Terminal Services – when an unauthenticated attacker connects to the target system using RDP and sends specially crafted requests. This vulnerability is pre-authentication and requires no user interaction. An attacker who successfully exploited this vulnerability could execute arbitrary code on the target system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an attacker would need to send a specially crafted request to the target systems Remote Desktop Service via RDP. The update addresses the vulnerability by correcting how Remote Desktop Services handles connection requests.

References (3)

Core 3

Scores

CVSS v3 9.8
EPSS 0.0759
EPSS Percentile 93.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (6)
microsoft/windows_10 1803
microsoft/windows_10 1809
microsoft/windows_10 1903
microsoft/windows_server_2016 1803
microsoft/windows_server_2016 1903
microsoft/windows_server_2019
Published Aug 14, 2019
Tracked Since Feb 18, 2026