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CVE-2017-0186

5.8 · MEDIUM

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch running on a Windows 10, Windows 8.1, Windows Server 2012, Windows Server 2012 R2, or Windows Server 2016 host server…

Published Apr 12, 2017CWE-20EPSS 4.55%

Overview

CVE-2017-0186 is a medium-severity vulnerability. It was published on April 12, 2017 and has a CVSS 3.0 base score of 5.8 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch running on a Windows 10, Windows 8.1, Windows Server 2012, Windows Server 2012 R2, or Windows Server 2016 host server fails to properly validate input from a privileged user on a guest operating system, aka "Hyper-V Denial of Service Vulnerability." This CVE ID is unique from CVE-2017-0178, CVE-2017-0179, CVE-2017-0182, CVE-2017-0183, CVE-2017-0184, and CVE-2017-0185.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/97438Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0186Refwww.securityfocus.com/bid/97438Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0186

How CyberStrike helps

Frequently asked questions

What is CVE-2017-0186?

CVE-2017-0186 is a medium-severity vulnerability. It was published on April 12, 2017 and has a CVSS 3.0 base score of 5.8 (MEDIUM).

How severe is CVE-2017-0186?

This vulnerability has a CVSS 3.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-0186?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-0186?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-0186 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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