CVE-2020-16898
Windows TCP/IP Remote Code Execution Vulnerability
- Published
- Oct 16, 2020
- Updated
- Aug 4, 2024
- Assigning CNA
- microsoft
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 95.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
<p>A remote code execution vulnerability exists when the Windows TCP/IP stack improperly handles ICMPv6 Router Advertisement packets. An attacker who successfully exploited this vulnerability could gain the ability to execute code on the target server or client.</p> <p>To exploit this vulnerability, an attacker would have to send specially crafted ICMPv6 Router Advertisement packets to a remote Windows computer.</p> <p>The update addresses the vulnerability by correcting how the Windows TCP/IP stack handles ICMPv6 Router Advertisement packets.</p>
Sources
12PoC BSOD for CVE-2020-16898 (badneighbor)
- CVE-2020-16898Detection
CVE-2020-16898 (Bad Neighbor) Microsoft Windows TCP/IP Vulnerability Detection Logic and Rule
- CVE-2020-16898Detection
A network detection package for CVE-2020-16898 (Windows TCP/IP Remote Code Execution Vulnerability)
Responsible use
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