CVE-2017-11940

moderate-risk
Published 2017-12-08

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". This is different than CVE-2017-11937.

Do I need to act?

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32.4% chance of exploitation in next 30 days
EPSS score — higher than 68% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Microsoft

References (6)

Third Party Advisory http://www.securityfocus.com/bid/102104
Third Party Advisory http://www.securitytracker.com/id/1039972
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-1194...
Third Party Advisory http://www.securityfocus.com/bid/102104
Third Party Advisory http://www.securitytracker.com/id/1039972
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-1194...
45
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 16/34 · Moderate
Exposure 5/34 · Minimal