March 3, 2022 · Applied Cybernetics Group
CVE-2017-8540 — Microsoft Malware Protection Engine
Microsoft Malware Protection Engine Improper Restriction of Operations Vulnerability
- Added to KEV
2022-03-03- Federal due date
2022-03-24- Vendor
- Microsoft
- Product
- Malware Protection Engine
- EPSS
- 99.1th percentile (score 0.794, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2017-8540
CISA short 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".
Required action
Apply updates per vendor instructions.