CVE-2017-8540: Microsoft Malware Protection Engine Improper Restriction of Operations Vulnerability
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".
| Vendor | Microsoft |
|---|---|
| Product | Malware Protection Engine |
| Date added to KEV | 2022-03-03 |
| Due date (BOD 22-01) | 2022-03-24 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-119 |
| Required action | Apply updates per vendor instructions. |
What to do
- Identify every instance of Microsoft Malware Protection Engine in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions.
- Federal civilian agencies must act by 2022-03-24 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2017-8540 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://nvd.nist.gov/vuln/detail/CVE-2017-8540