All vulnerabilities
CVE-2017-8540

Microsoft Malware Protection Engine Improper Restriction of Operations Vulnerability

Microsoft Malware Protection Engine
Open in ThreatlineRecord JSON
CVSS
7.8High
ExploitationExploited in the wildAdded to KEV 3 Mar 2022CISA KEV
Exploit odds (EPSS)71.9%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline24 Mar 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 26 May 2017, 20:00 UTCPublishedCVE List
  2. 30 May 2017Exploit code publicExploit-DB
  3. 3 Mar 2022Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Dos exploitMicrosoft MsMpEng - Remote Use-After-Free Due to Design Issue in GC Engine 30 May 2017Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

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".

Text from CVE List

Affected versions 1

  • Malware Protection Engineaffected: 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.CVE List

References 4