High severity · published Jun 29, 2017
CVE-2017-8558
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,…
7.8
CVSS
43.6%
EPSS
No
On KEV
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".
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)43.6% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EP
Endpoint Protection · Microsoft
All versions, or not specified · source: NVD
FE
Forefront Endpoint Protection · Microsoft
2010 · source: NVD
SE
Security Essentials · Microsoft
All versions, or not specified · source: NVD
WD
Windows Defender · Microsoft
All versions, or not specified · source: NVD
WI
Windows Intune Endpoint Protection · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8558
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8558
Third Party Advisory
http://www.securityfocus.com/bid/99262
Third Party Advisory
http://www.securitytracker.com/id/1038783
Third Party Advisory
http://www.securitytracker.com/id/1038784
Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8558
Third Party Advisory
https://www.exploit-db.com/exploits/42264/
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