CVE-2017-8686 Memory corruption in n/a

Critical 9.8 Published 13 Sep 2017 Updated 5 Aug 2024

An attacker can execute arbitrary code or cause denial of service on Windows Server DHCP failover servers via a memory corruption vulnerability.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-8686?

CVE-2017-8686 is a critical memory corruption vulnerability in Microsoft Windows Server 2012, published on 13 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Windows Server DHCP service in Windows Server 2012 Gold and R2, and Windows Server 2016 allows an attacker to either run arbitrary code on the DHCP failover server or cause the DHCP service to become nonresponsive, due to a memory corruption vulnerability in the Windows Server DHCP service, aka "Windows DHCP Server Remote Code Execution Vulnerability".

Weakness: CWE-119

Which versions are affected by CVE-2017-8686?

It affects 2 products.

Products include Microsoft Windows Server 2012, Microsoft Windows Server 2016.

How do I fix CVE-2017-8686?

No fix has been published for CVE-2017-8686 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-8686 being exploited?

There is no known exploitation of CVE-2017-8686 in the wild and no public exploit code.

All Microsoft Windows Server 2012 vulnerabilities

Sources

Also known as GHSA-27h2-vr79-q7cq.