CVE-2018-0986: A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a sp…
- Is it exploited?
Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .
VulnCheck KEV lists it since . It cites 1 public report, the first from .
- How likely is exploitation in the next 30 days?
- 63.3%
EPSS score, percentile 99.2 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- Not scored
The CVE record carries no CVSS score.
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- Windows 10 for 32-bit Systems
- Windows 10 for x64-based Systems
- Windows 10 Version 1511 for 32-bit Systems
- Windows 10 Version 1511 for x64-based Systems
- Windows 10 Version 1607 for 32-bit Systems
- Windows 10 Version 1607 for x64-based Systems
and 14 more in the table below
Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
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.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (7 products)
| Status | Versions |
|---|---|
| Affected | Windows 10 for 32-bit Systems |
| Affected | Windows 10 for x64-based Systems |
| Affected | Windows 10 Version 1511 for 32-bit Systems |
| Affected | Windows 10 Version 1511 for x64-based Systems |
| Affected | Windows 10 Version 1607 for 32-bit Systems |
| Affected | Windows 10 Version 1607 for x64-based Systems |
| Affected | Windows 10 Version 1703 for 32-bit Systems |
| Affected | Windows 10 Version 1703 for x64-based Systems |
| Affected | Windows 10 Version 1709 for 32-bit Systems |
| Affected | Windows 10 Version 1709 for x64-based Systems |
| Affected | Windows 7 for 32-bit Systems Service Pack 1 |
| Affected | Windows 7 for x64-based Systems Service Pack 1 |
And 13 more version entries in the CVE record.
| Status | Versions |
|---|---|
| Affected | Windows Intune Endpoint Protection |
| Status | Versions |
|---|---|
| Affected | Microsoft Security Essentials |
| Status | Versions |
|---|---|
| Affected | Microsoft System Center Endpoint Protection |
| Status | Versions |
|---|---|
| Affected | 2013 |
| Affected | 2016 |
| Status | Versions |
|---|---|
| Affected | 2012 Endpoint Protection |
| Affected | 2012 R2 Endpoint Protection |
| Status | Versions |
|---|---|
| Affected | 2010 |
Source: CVE List, as of . About the data.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
References
4
Known exploited Microsoft vulnerabilities
- CVE-2026-96951: Microsoft Windows Command Injection Vulnerability
- CVE-2026-65660: Microsoft SharePoint Code Injection Vulnerability
- CVE-2026-81963: Microsoft Windows Link Following Vulnerability
- CVE-2026-85880: Microsoft Windows Heap-Based Buffer Overflow Vulnerability
- CVE-2019-1068: Microsoft SQL Server Remote Code Execution Vulnerability