THREATPORT/VULNERABILITY/CVE-2017-8686
CRITICAL SEVERITY

CVE-2017-8686

Windows Server 2012 vulnerability

CVSS
9.8
EPSS
27.5%
EPSS pct
98th
Exploited
No known
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".
Affected vendor
Microsoft
Affected product
Windows Server 2012
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2017-09-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 27.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2017-8686

  • Confirm whether Microsoft Windows Server 2012 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-8686.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-8686

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-8686 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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