Vulnerability Details : CVE-2017-8558
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".
Vulnerability category: OverflowMemory CorruptionExecute code
Products affected by CVE-2017-8558
- cpe:2.3:a:microsoft:windows_defender:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:security_essentials:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:forefront_endpoint_protection:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:forefront_endpoint_protection:2010:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:endpoint_protection:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:windows_intune_endpoint_protection:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-8558
7.48%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-8558
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-8558
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-8558
-
http://www.securityfocus.com/bid/99262
Microsoft Malware Protection Engine CVE-2017-8558 Remote Code Execution VulnerabilityThird Party Advisory;VDB Entry
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http://www.securitytracker.com/id/1038784
Microsoft Windows Defender File Processing Flaw in Malware Protection Engine Lets Remote Users Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
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https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8558
CVE-2017-8558 | Microsoft Malware Protection Engine Remote Code Execution VulnerabilityVendor Advisory
-
http://www.securitytracker.com/id/1038783
Microsoft Forefront Endpoint Protection File Processing Flaw in Microsoft Malware Protection Engine Lets Remote Users Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
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https://www.exploit-db.com/exploits/42264/
Microsoft MsMpEng - mpengine x86 Emulator Heap Corruption in VFS APIThird Party Advisory;VDB Entry
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