CVE-2017-8540
Microsoft Corporation Malware Protection Engine
Published 26 May 2017 · updated 17 Jun 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 3 Mar 2022, with a remediation deadline of 24 Mar 2022 for US federal agencies.
Required action: Apply updates per vendor instructions.
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.
References
- www.securityfocus.com/bid/98703 · Broken Link, Third Party Advisory, VDB Entry
- www.securitytracker.com/id/1038571 · Broken Link, Third Party Advisory, VDB Entry
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8540 · Mitigation, Patch, Vendor Advisory
- www.exploit-db.com/exploits/42088/ · Exploit, Third Party Advisory, VDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8540 · US Government Resource