THREATPORT/VULNERABILITY/CVE-2017-11937
HIGH SEVERITY

CVE-2017-11937

Malware Protection Engine vulnerability

CVSS
7.8
EPSS
28.3%
EPSS pct
98th
Exploited
No known
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Windows 7 SP1, Windows 8.1, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, 1709 and Windows Server 2016, Windows Server, version 1709, Microsoft Exchange Server 2013 and 2016, does not properly scan a specially crafted file leading to remote code execution. aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability".
Affected vendor
Microsoft
Affected product
Malware Protection Engine
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2017-12-07

Risk analysis

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

Its EPSS score of 28.3% 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-2017-11937

  • Confirm whether Microsoft Malware Protection Engine is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-11937.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-11937

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-11937 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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