Remote Code Execution Vulnerability in Microsoft Malware Protection Engine for Windows Products
CVE-2017-8540

7.8HIGH

Key Information:

Vendor
Microsoft
Vendor
CVE Published:
26 May 2017

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 83%🦅 CISA Reported

Summary

A vulnerability in the Microsoft Malware Protection Engine allows attackers to execute arbitrary code on affected systems by exploiting improper file scanning processes. The flaw affects various Windows products, including multiple versions of Windows Server and Microsoft Exchange, leading to potential unauthorized access and control over vulnerable systems. This issue underscores the importance of maintaining updated security protocols and patching known vulnerabilities to safeguard sensitive information and system integrity.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Malware Protection Engine 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.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

EPSS Score

83% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • 🟡

    Public PoC available

  • Vulnerability published

  • Vulnerability Reserved

.