High severity · published May 26, 2017
CVE-2017-8538
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…
7.8
CVSS
50%
EPSS
No
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-2017-8540 and CVE-2017-8541.
CVSS vector
CVSS:3.0/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)50.0% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FS
Forefront Security · Microsoft
All versions, or not specified · source: NVD
MP
Malware Protection Engine · Microsoft
through 1.1.13704.0 · source: NVD
WD
Windows Defender · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8538
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8538
Third Party Advisory
http://www.securityfocus.com/bid/98706
www.securitytracker.com
http://www.securitytracker.com/id/1038571
Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8538
www.exploit-db.com
https://www.exploit-db.com/exploits/42081/
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