Main Vulnerability Database Vulnerabilities #VU9598

Memory corruption in Microsoft products - CVE-2017-11940

Published: December 8, 2017

Vulnerability identifier: #VU9598

CSH Severity: High

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-11940

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when scanning by the target Microsoft Malware Protection Engine. A remote attacker can trick the victim into opening a specially crafted file, trigger memory corruption and execute arbitrary code with LocalSystem privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

Microsoft Security Essentials
Microsoft Endpoint Protection
Windows Intune Endpoint Protection
Windows Defender
Microsoft Forefront Endpoint Protection
Microsoft Exchange Server

How to mitigate CVE-2017-11940

Update to version 1.1.14405.2.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11940

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