CVE-2017-8558

CVE	CVE-2017-8558
State	PUBLISHED
Assigner	microsoft
Source Priority	CVE Program / NVD first with legacy fallback
Published	2017-06-29 13:29:00 UTC
Updated	2025-04-20 01:37:25 UTC
Description	The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on 32-bit versions of 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 does not properly scan a specially crafted file leading to memory corruption. aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability".

Primary CVSS: v3.0 7.8 HIGH from [email protected]

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

Problem Types: CWE-119 | Remote Code Execution

Version	Source	Type	Score	Severity	Vector
3.0	[email protected]	Primary	7.8	HIGH	`CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`
2.0	[email protected]	Primary	9.3		`AV:N/AC:M/Au:N/C:C/I:C/A:C`

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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

Access Vector

Network

Access Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

Type	Vendor	Product	Version	Update	Edition	Language
Application	Microsoft	Endpoint Protection	-	All	All	All
Application	Microsoft	Forefront Endpoint Protection	-	All	All	All
Application	Microsoft	Forefront Endpoint Protection	2010	All	All	All
Application	Microsoft	Security Essentials	-	All	All	All
Operating System	Microsoft	Windows 10	-	All	All	All
Operating System	Microsoft	Windows 10	1511	All	All	All
Operating System	Microsoft	Windows 10	1607	All	All	All
Operating System	Microsoft	Windows 10	1703	All	All	All
Operating System	Microsoft	Windows 7	-	sp1	All	All
Operating System	Microsoft	Windows 8.1	-	All	All	All
Application	Microsoft	Windows Defender	-	All	All	All
Application	Microsoft	Windows Intune Endpoint Protection	-	All	All	All
Operating System	Microsoft	Windows Server 2008	-	sp2	All	All

Source	Vendor	Product	Version	Platforms
CNA	Microsoft Corporation	Microsoft Malware Protection Engine	affected 32-bit versions only of 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.	Not specified

Reference	Source	Link	Tags
Microsoft Malware Protection Engine CVE-2017-8558 Remote Code Execution Vulnerability	af854a3a-2127-422b-91ae-364da2661108	www.securityfocus.com	Third Party Advisory, VDB Entry
Microsoft Windows Defender File Processing Flaw in Malware Protection Engine Lets Remote Users Execute Arbitrary Code - SecurityTracker	af854a3a-2127-422b-91ae-364da2661108	www.securitytracker.com	Third Party Advisory, VDB Entry
{{windowTitle}}	af854a3a-2127-422b-91ae-364da2661108	portal.msrc.microsoft.com	Vendor Advisory
Microsoft MsMpEng - mpengine x86 Emulator Heap Corruption in VFS API - Windows dos Exploit	af854a3a-2127-422b-91ae-364da2661108	www.exploit-db.com	Third Party Advisory, VDB Entry
Microsoft Forefront Endpoint Protection File Processing Flaw in Microsoft Malware Protection Engine Lets Remote Users Execute Arbitrary Code - SecurityTracker	af854a3a-2127-422b-91ae-364da2661108	www.securitytracker.com	Third Party Advisory, VDB Entry
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

There are currently no legacy QID mappings associated with this CVE.