CVE-2020-16863

Windows Remote Desktop Service Denial of Service Vulnerability

CVE-2020-16863 is fixed in 4 products on 1 platform, first by KB4580345, released October 13, 2020. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0585
93rd percentile

<p>A denial of service vulnerability exists in Windows Remote Desktop Service when an attacker connects to the target system using RDP and sends specially crafted requests. An attacker who successfully exploited this vulnerability could cause the Remote Desktop Service on the target system to stop responding.</p> <p>To exploit this vulnerability, an attacker would need to run a specially crafted application against a server which provides Remote Desktop Service.</p> <p>The update addresses the vulnerability by correcting how Remote Desktop Service handles connection requests.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 7 for 32-bit Systems Service Pack 1 KB4580345 Oct 13, 2020
Windows 7 for 32-bit Systems Service Pack 1 KB4580387 Oct 13, 2020
Windows 7 for x64-based Systems Service Pack 1 KB4580345 Oct 13, 2020
Windows 7 for x64-based Systems Service Pack 1 KB4580387 Oct 13, 2020
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4580345 Oct 13, 2020
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4580387 Oct 13, 2020
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4580345 Oct 13, 2020
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4580387 Oct 13, 2020

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