CVE-2017-8542

moderate-risk
Published 2017-05-26

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 denial of service. aka "Microsoft Malware Protection Engine Denial of Service Vulnerability", a different vulnerability than CVE-2017-8535, CVE-2017-8536, CVE-2017-8537, and CVE-2017-8539.

Do I need to act?

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19.2% chance of exploitation in next 30 days
EPSS score — higher than 81% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (3)

Affected Vendors

Microsoft

References (6)

Third Party Advisory http://www.securityfocus.com/bid/98707
http://www.securitytracker.com/id/1038571
Vendor Advisory https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8542
Third Party Advisory http://www.securityfocus.com/bid/98707
http://www.securitytracker.com/id/1038571
Vendor Advisory https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8542
41
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 14/34 · Moderate
Exposure 9/34 · Low