CVE-2018-0956

Description

A denial of service vulnerability exists in the HTTP 2.0 protocol stack (HTTP.sys) when HTTP.sys improperly parses specially crafted HTTP 2.0 requests, aka "HTTP.sys Denial of Service Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

7.5

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 12.19% Top 10%

Vendor Advisory microsoft.com

Affected: Microsoft Windows Server 2016

Affected: Microsoft Windows 10

Affected: Microsoft Windows 10 Servers

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0956	patch vendor advisory
http://www.securityfocus.com/bid/103650	third party advisory vdb entry
http://www.securitytracker.com/id/1040661	third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2018-0956?: CVE-2018-0956 has been scored as a high severity vulnerability.
How to fix CVE-2018-0956?: To fix CVE-2018-0956, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0956 being actively exploited in the wild?: It is possible that CVE-2018-0956 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0956?: CVE-2018-0956 affects Microsoft Windows Server 2016, Microsoft Windows 10, Microsoft Windows 10 Servers.

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