Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-11940

28
FAUCET Score

CVE-2017-11940 is a remote code execution vulnerability in the Microsoft Malware Protection Engine, affecting various Microsoft products including Windows, Exchange Server, Forefront, and Windows Defender. This flaw allows an attacker to execute arbitrary code by crafting a malicious file that the engine fails to scan properly. With a CVSS score of 7.8 (High), it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability, though user interaction is required. Despite its high FAUCET risk score and some community discussion, there is no evidence of active exploitation, nor are public exploit tools like Metasploit or Nuclei available.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.1.14306.0CPE matchmatch criteria
cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
19.76%
Probability of exploitation in next 30 days
EPSS Percentile
97.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1976 is in the 97th percentile among its peer group of 11,621 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

microsoftpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

microsoft2017-Dec/CVE-2017-11940Critical

Microsoft Malware Protection Engine Remote Code Execution Vulnerability

Dec 12, 2017

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-11940
PatchVendor Advisory
securityfocus.com / bid/102104
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039972
Third Party AdvisoryVDB Entry