Vulnerability Details : CVE-2017-8540
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.
Vulnerability category: Memory CorruptionExecute code
Products affected by CVE-2017-8540
- cpe:2.3:a:microsoft:exchange_server:2016:-:*:*:*:*:*:*
- cpe:2.3:a:microsoft:exchange_server:2013:-:*:*:*:*:*:*
- cpe:2.3:a:microsoft:forefront_security:-:*:*:*:*:*:*:*
- Microsoft » Malware Protection EngineVersions from including (>=) 1.1.13701.0 and before (<) 1.1.13704.0cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
- 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:intune_endpoint_protection:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:system_center_endpoint_protection:-:*:*:*:*:*:*:*
CVE-2017-8540 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft Malware Protection Engine Improper Restriction of Operations Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA 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 Exchan
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2017-8540
Added on
2022-03-03
Action due date
2022-03-24
Exploit prediction scoring system (EPSS) score for CVE-2017-8540
94.56%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 99 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-8540
| 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:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | 2024-07-24 |
CWE ids for CVE-2017-8540
-
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)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-8540
-
http://www.securitytracker.com/id/1038571
Microsoft Malware Protection Engine File Processing Flaws Let Remote Users Deny Service and Execute Arbitrary Code - SecurityTrackerBroken Link;Third Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/98703
Microsoft Malware Protection Engine CVE-2017-8540 Remote Code Execution VulnerabilityBroken Link;Third Party Advisory;VDB Entry
-
https://www.exploit-db.com/exploits/42088/
Microsoft MsMpEng - Remote Use-After-Free Due to Design Issue in GC EngineExploit;Third Party Advisory;VDB Entry
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8540
CVE-2017-8540 | Microsoft Malware Protection Engine Remote Code Execution VulnerabilityMitigation;Patch;Vendor Advisory
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