High severity · published May 26, 2017
CVE-2017-8540
Microsoft Malware Protection Engine Improper Restriction of Operations Vulnerability
In wildKEV
7.8
CVSS
71.9%
EPSS
Yes
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)71.9% · higher than 99% of CVEs
Exploited in the wildYes
CISA KEVListed Mar 3, 2022
Federal remediation dueMar 24, 2022
Ransomware campaign useNot known
Affected products
Which versions
ES
Exchange Server · Microsoft
2013; 2016 · source: NVD
MP
Malware Protection Engine · Microsoft Corporation
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. · source: vendor, NVD, KEV
EP
Endpoint Protection · Microsoft
All versions, or not specified · source: NVD
FE
Forefront Endpoint Protection · Microsoft
2010 · source: NVD
FS
Forefront Security · Microsoft
All versions, or not specified · source: NVD
IE
Intune Endpoint Protection · Microsoft
All versions, or not specified · source: NVD
SE
Security Essentials · Microsoft
All versions, or not specified · source: NVD
SC
System Center Endpoint Protection · Microsoft
All versions, or not specified · source: NVD
WD
Windows Defender · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8540
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8540
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_CONFIRM
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8540
vdb-entry
http://www.securityfocus.com/bid/98703
exploit
https://www.exploit-db.com/exploits/42088/
vdb-entry
http://www.securitytracker.com/id/1038571
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