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 Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 50.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 50.28% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- microsoft/forefront security · microsoft/malware protection engine · microsoft/windows defender
- Source
- secure@microsoft.com
References
- http://www.securityfocus.com/bid/98706Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038571
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8538Vendor Advisory
- https://www.exploit-db.com/exploits/42081/
- http://www.securityfocus.com/bid/98706Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038571
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8538Vendor Advisory
- https://www.exploit-db.com/exploits/42081/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.