CVE-2017-8558
Microsoft MsMpEng - mpengine x86 Emulator Heap Corruption in VFS API
Severity Score
7.8
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on 32-bit versions of 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 does not properly scan a specially crafted file leading to memory corruption. aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability".
El Motor de Protección de Malware de Microsoft corriendo en Microsoft Forefront y Microsoft Defender en versiones de 32 bits de Microsoft Windows Server 2008 SP2 y R2 SP1, Windows 7 SP1, Windows versión 8.1, Windows Server 2012 Gold y R2, Windows RT versión 8.1, Windows 10 Gold, 1511 , 1607 y 1703, no analiza correctamente un archivo especialmente creado que provoca daños en la memoria. También se conoce como "Microsoft Malware Protection Engine Remote Code Execution Vulnerability".
This Microsoft bulletin summary lists one CVE that has undergone a major revision increment.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2017-05-03 CVE Reserved
- 2017-06-23 CVE Published
- 2024-08-05 CVE Updated
- 2024-08-05 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/99262 | Third Party Advisory | |
| http://www.securitytracker.com/id/1038783 | Third Party Advisory | |
| http://www.securitytracker.com/id/1038784 | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://www.exploit-db.com/exploits/42264 | 2024-08-05 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8558 | 2019-10-03 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | Windows Defender Search vendor "Microsoft" for product "Windows Defender" | - | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | - | x86 |
Safe
|
| Microsoft Search vendor "Microsoft" | Windows Defender Search vendor "Microsoft" for product "Windows Defender" | - | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1511 Search vendor "Microsoft" for product "Windows 10" and version "1511" | x86 |
Safe
|
| Microsoft Search vendor "Microsoft" | Windows Defender Search vendor "Microsoft" for product "Windows Defender" | - | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1607 Search vendor "Microsoft" for product "Windows 10" and version "1607" | x86 |
Safe
|
| Microsoft Search vendor "Microsoft" | Windows Defender Search vendor "Microsoft" for product "Windows Defender" | - | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1703 Search vendor "Microsoft" for product "Windows 10" and version "1703" | x86 |
Safe
|
| Microsoft Search vendor "Microsoft" | Windows Defender Search vendor "Microsoft" for product "Windows Defender" | - | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 7 Search vendor "Microsoft" for product "Windows 7" | - | sp1, x86 |
Safe
|
| Microsoft Search vendor "Microsoft" | Windows Defender Search vendor "Microsoft" for product "Windows Defender" | - | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 8.1 Search vendor "Microsoft" for product "Windows 8.1" | - | x86 |
Safe
|
| Microsoft Search vendor "Microsoft" | Windows Defender Search vendor "Microsoft" for product "Windows Defender" | - | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | - | sp2, x86 |
Safe
|
| Microsoft Search vendor "Microsoft" | Endpoint Protection Search vendor "Microsoft" for product "Endpoint Protection" | - | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Forefront Endpoint Protection Search vendor "Microsoft" for product "Forefront Endpoint Protection" | - | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Forefront Endpoint Protection Search vendor "Microsoft" for product "Forefront Endpoint Protection" | 2010 Search vendor "Microsoft" for product "Forefront Endpoint Protection" and version "2010" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Security Essentials Search vendor "Microsoft" for product "Security Essentials" | - | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Intune Endpoint Protection Search vendor "Microsoft" for product "Windows Intune Endpoint Protection" | - | - |
Affected
| ||||||