CVE-2019-1291

Remote Desktop Client Remote Code Execution Vulnerability

CVE-2019-1291 is fixed in 41 products on 1 platform, first by KB4516044, released September 10, 2019. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
7.5
Critical
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.1248
96th percentile

<p>A remote code execution vulnerability exists in the Windows Remote Desktop Client when a user connects to a malicious server. An attacker who successfully exploited this vulnerability could execute arbitrary code on the computer of the connecting client. 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 have control of a server and then convince a user to connect to it. An attacker would have no way of forcing a user to connect to the malicious server, they would need to trick the user into connecting via social engineering, DNS poisoning or using a Man in the Middle (MITM) technique. An attacker could also compromise a legitimate server, host malicious code on it, and wait for the user to connect.</p> <p>The update addresses the vulnerability by correcting how the Windows Remote Desktop Client handles connection requests.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.3204 KB4516044 Sep 10, 2019
Windows 10 Version 1607 for x64-based Systems 14393.3204 KB4516044 Sep 10, 2019
Windows 10 Version 1703 for 32-bit Systems 15063.2045 KB4516068 Sep 10, 2019
Windows 10 Version 1703 for x64-based Systems 15063.2045 KB4516068 Sep 10, 2019
Windows 10 Version 1709 for 32-bit Systems 16299.1387 KB4516066 Sep 10, 2019
Windows 10 Version 1709 for ARM64-based Systems 16299.1387 KB4516066 Sep 10, 2019
Windows 10 Version 1709 for x64-based Systems 16299.1387 KB4516066 Sep 10, 2019
Windows 10 Version 1803 for 32-bit Systems 17134.1006 KB4516058 Sep 10, 2019
Windows 10 Version 1803 for ARM64-based Systems 17134.1006 KB4516058 Sep 10, 2019
Windows 10 Version 1803 for x64-based Systems 17134.1006 KB4516058 Sep 10, 2019
Windows 10 Version 1809 for 32-bit Systems 17763.737 KB4512578 Sep 10, 2019
Windows 10 Version 1809 for ARM64-based Systems 17763.737 KB4512578 Sep 10, 2019
Windows 10 Version 1809 for x64-based Systems 17763.737 KB4512578 Sep 10, 2019
Windows 10 Version 1903 for 32-bit Systems 18362.356 KB4515384 Sep 10, 2019
Windows 10 Version 1903 for ARM64-based Systems 18362.356 KB4515384 Sep 10, 2019
Windows 10 Version 1903 for x64-based Systems 18362.356 KB4515384 Sep 10, 2019
Windows 10 for 32-bit Systems 10240.18333 KB4516070 Sep 10, 2019
Windows 10 for x64-based Systems 10240.18333 KB4516070 Sep 10, 2019
Windows 7 for 32-bit Systems Service Pack 1 KB4516065 Sep 10, 2019
Windows 7 for 32-bit Systems Service Pack 1 KB4516033 Sep 10, 2019
Windows 7 for x64-based Systems Service Pack 1 KB4516065 Sep 10, 2019
Windows 7 for x64-based Systems Service Pack 1 KB4516033 Sep 10, 2019
Windows 8.1 for 32-bit systems KB4516067 Sep 10, 2019
Windows 8.1 for 32-bit systems KB4516064 Sep 10, 2019
Windows 8.1 for x64-based systems KB4516067 Sep 10, 2019
Windows 8.1 for x64-based systems KB4516064 Sep 10, 2019
Windows RT 8.1 KB4516067 Sep 10, 2019
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 KB4516065 Sep 10, 2019
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 KB4516033 Sep 10, 2019
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4516065 Sep 10, 2019
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4516033 Sep 10, 2019
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4516065 Sep 10, 2019
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4516033 Sep 10, 2019
Windows Server 2008 for 32-bit Systems Service Pack 2 KB4516051 Sep 10, 2019
Windows Server 2008 for 32-bit Systems Service Pack 2 KB4516026 Sep 10, 2019
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) KB4516051 Sep 10, 2019
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) KB4516026 Sep 10, 2019
Windows Server 2008 for Itanium-Based Systems Service Pack 2 KB4516051 Sep 10, 2019
Windows Server 2008 for Itanium-Based Systems Service Pack 2 KB4516026 Sep 10, 2019
Windows Server 2008 for x64-based Systems Service Pack 2 KB4516051 Sep 10, 2019
Windows Server 2008 for x64-based Systems Service Pack 2 KB4516026 Sep 10, 2019
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB4516051 Sep 10, 2019
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB4516026 Sep 10, 2019
Windows Server 2012 KB4516055 Sep 10, 2019
Windows Server 2012 KB4516062 Sep 10, 2019
Windows Server 2012 (Server Core installation) KB4516055 Sep 10, 2019
Windows Server 2012 (Server Core installation) KB4516062 Sep 10, 2019
Windows Server 2012 R2 KB4516067 Sep 10, 2019
Windows Server 2012 R2 KB4516064 Sep 10, 2019
Windows Server 2012 R2 (Server Core installation) KB4516067 Sep 10, 2019
Windows Server 2012 R2 (Server Core installation) KB4516064 Sep 10, 2019
Windows Server 2016 14393.3204 KB4516044 Sep 10, 2019
Windows Server 2016 (Server Core installation) 14393.3204 KB4516044 Sep 10, 2019
Windows Server 2019 17763.737 KB4512578 Sep 10, 2019
Windows Server 2019 (Server Core installation) 17763.737 KB4512578 Sep 10, 2019
Windows Server, version 1803 (Server Core Installation) 17134.1006 KB4516058 Sep 10, 2019
Windows Server, version 1903 (Server Core installation) 18362.356 KB4515384 Sep 10, 2019

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