# CVE-2017-8540: A Microsoft Malware Protection Engine bug is being used in attacks

Status: Being used now (CISA KEV, added 2022-03-03)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Microsoft Malware Protection Engine (CVE-2017-8540) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2017-8540. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official 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".

## Sources
- https://nvd.nist.gov/vuln/detail/CVE-2017-8540
- https://nvd.nist.gov/vuln/detail/CVE-2017-8540

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.