What is the CVSS score of CVE-2018-0986?

CVE-2018-0986 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 61.5%.

Is there a public PoC exploit available for CVE-2018-0986?

Yes, a public proof-of-concept exploit is available for CVE-2018-0986. Prioritise patching immediately. EPSS: 61.5%.

Is there a patch available for CVE-2018-0986?

Yes, a patch is available for CVE-2018-0986. Update the affected software to the latest version immediately.

Exchange Server CVE-2018-0986

HIGH

Out-of-bounds Write (CWE-787)

2018-04-04 secure@microsoft.com

Memory Corruption Microsoft RCE Buffer Overflow Exchange Server Security Essentials Forefront Endpoint Protection 2010 Intune Endpoint Protection System Center Endpoint Protection Windows Defender

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 04, 2018 - 17:29 nvd

HIGH 8.8

DescriptionNVD

A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a specially crafted file, leading to memory corruption, aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability." This affects Windows Defender, Windows Intune Endpoint Protection, Microsoft Security Essentials, Microsoft System Center Endpoint Protection, Microsoft Exchange Server, Microsoft System Center, Microsoft Forefront Endpoint Protection.

AnalysisAI

A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a specially crafted file, leading to memory corruption, aka "Microsoft Malware. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a specially crafted file, leading to memory corruption, aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability." This affects Windows Defender, Windows Intune Endpoint Protection, Microsoft Security Essentials, Microsoft System Center Endpoint Protection, Microsoft Exchange Server, Microsoft System Center, Microsoft Forefront Endpoint Protection. Affected products include: Microsoft Exchange Server, Microsoft Security Essentials, Microsoft Forefront Endpoint Protection 2010, Microsoft Intune Endpoint Protection, Microsoft System Center Endpoint Protection.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).