High severity7.8NVD Advisory· Published Dec 8, 2017· Updated Jun 17, 2026
CVE-2017-11940
CVE-2017-11940
Description
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.
Affected products
6cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*range: <=1.1.14306.0
- (no CPE)
- Range: 2013, 2016
- Microsoft Corporation/Microsoft Malware Protection Enginev5Range: 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.
Patches
Vulnerability mechanics
References
3- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11940nvdPatchVendor Advisory
- www.securityfocus.com/bid/102104nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1039972nvdThird Party AdvisoryVDB Entry
News mentions
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