CVE-2019-1226

Remote Desktop Services Remote Code Execution Vulnerability

CVE-2019-1226 is fixed in 17 products on 1 platform, first by KB4512501, released August 13, 2019. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
9.8
Critical
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0819
94th percentile

<p>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.</p> <p>To exploit this vulnerability, an attacker would need to send a specially crafted request to the target systems Remote Desktop Service via RDP.</p> <p>The update addresses the vulnerability by correcting how Remote Desktop Services handles connection requests.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1803 for 32-bit Systems 17134.950 KB4512501 Aug 13, 2019
Windows 10 Version 1803 for ARM64-based Systems 17134.950 KB4512501 Aug 13, 2019
Windows 10 Version 1803 for x64-based Systems 17134.950 KB4512501 Aug 13, 2019
Windows 10 Version 1809 for 32-bit Systems 17763.678 KB4511553 Aug 13, 2019
Windows 10 Version 1809 for ARM64-based Systems 17763.678 KB4511553 Aug 13, 2019
Windows 10 Version 1809 for x64-based Systems 17763.678 KB4511553 Aug 13, 2019
Windows 10 Version 1903 for 32-bit Systems KB4540673 Mar 10, 2020
Windows 10 Version 1903 for ARM64-based Systems KB4540673 Mar 10, 2020
Windows 10 Version 1903 for x64-based Systems KB4540673 Mar 10, 2020
Windows 10 Version 1909 for 32-bit Systems KB4540673 Mar 10, 2020
Windows 10 Version 1909 for ARM64-based Systems KB4540673 Mar 10, 2020
Windows 10 Version 1909 for x64-based Systems KB4540673 Mar 10, 2020
Windows Server 2019 17763.678 KB4511553 Aug 13, 2019
Windows Server 2019 (Server Core installation) 17763.678 KB4511553 Aug 13, 2019
Windows Server, version 1803 (Server Core Installation) 17134.950 KB4512501 Aug 13, 2019
Windows Server, version 1903 (Server Core installation) KB4540673 Mar 10, 2020
Windows Server, version 1909 (Server Core installation) KB4540673 Mar 10, 2020

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