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high7.8Known exploitedPublic exploit code

CVE-2017-8540

Microsoft Malware Protection Engine Improper Restriction of Operations Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-03. Federal due date: 2022-03-24.

Apply updates per vendor instructions.

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016, Microsoft Exchange Server 2013 and 2016, does not properly scan a specially crafted file leading to memory corruption. aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability", a different vulnerability than CVE-2017-8538 and CVE-2017-8541.

Affected products

VendorProductAffected versions
MicrosoftMalware Protection Engine
from 1.1.13701.0 before 1.1.13704.0
MicrosoftEndpoint Protection
All versions
MicrosoftExchange Server
Versions 2013, 2016
MicrosoftForefront Endpoint Protection
All versions
Version 2010
MicrosoftForefront Security
All versions
MicrosoftIntune Endpoint Protection
All versions
MicrosoftSecurity Essentials
All versions
MicrosoftSystem Center Endpoint Protection
All versions
MicrosoftWindows Defender
All versions

Weakness classification

References