CVE-2018-0986
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 63.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 63.27% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 5 April 2018
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- microsoft/exchange server · microsoft/security essentials · microsoft/forefront endpoint protection 2010 · microsoft/intune endpoint protection · microsoft/system center endpoint protection · microsoft/windows defender
- Source
- secure@microsoft.com
EPSS 63.3% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/103593Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040631Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0986Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/44402/Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/103593Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040631Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0986Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/44402/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.