CVE-2020-16899

High

Description

<p>A denial of service vulnerability exists when the Windows TCP/IP stack improperly handles ICMPv6 Router Advertisement packets. An attacker who successfully exploited this vulnerability could cause a target system to stop responding.</p> <p>To exploit this vulnerability, an attacker would have to send specially crafted ICMPv6 Router Advertisement packets to a remote Windows computer. The vulnerability would not allow an attacker to execute code or to elevate user rights directly.</p> <p>The update addresses the vulnerability by correcting how the Windows TCP/IP stack handles ICMPv6 Router Advertisement packets.</p>

SeverityHigh
CVSS7.5
Exploit probability—
ProductMicrosoft Windows
PublishedOct 16, 2020
First seenOct 16, 2020

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
microsoft windows_101709, 1803, 1809, 1903, 1909, 2004—
microsoft windows_server_20161903, 1909, 2004—
microsoft windows_server_2019No range specified—

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CVE-2020-16899 · Microsoft Windows · Dark Radar