CVEvulnerability
CVE-2017-8540
CISA Known Exploited Vulnerability
Microsoft Malware Protection Engine Improper Restriction of Operations Vulnerability — Microsoft Malware Protection Engine
The Microsoft Malware Protection Engine running on 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, does not properly scan a specially crafted file leading to memory corruption. aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability".
- Added to KEV
- 2022-03-03
- Remediation due
- 2022-03-24
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2017-8540
- Status
- Analyzed
- Published
- 2017-05-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-787
Description
The Microsoft Malware Protection Engine running on 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, does not properly scan a specially crafted file leading to memory corruption. aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability", a different vulnerability than CVE-2017-8538 and CVE-2017-8541.
Affected configurations
• microsoft malware protection engine (>= 1.1.13701.0 < 1.1.13704.0)
• microsoft endpoint protection
• microsoft exchange server 2013
• microsoft exchange server 2016
• microsoft forefront endpoint protection
• microsoft forefront endpoint protection 2010
• microsoft forefront security
• microsoft intune endpoint protection
• microsoft security essentials
• microsoft system center endpoint protection
• microsoft windows defender
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://www.securityfocus.com/bid/98703 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038571 Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8540 Mitigation, Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42088/ Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/98703 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038571 Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8540 Mitigation, Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42088/ Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8540 US Government Resource