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CVE-2017-8541

64
FAUCET Score

CVE-2017-8541 is a remote code execution vulnerability in the Microsoft Malware Protection Engine, affecting various versions of Windows, Windows Server, and Exchange Server. It stems from improper scanning of specially crafted files, leading to memory corruption. With a CVSS score of 7.8 (High) and a FAUCET Risk Score of 98/100, successful exploitation could result in high confidentiality, integrity, and availability impacts, though it requires user interaction. While not listed in CISA's KEV catalog, an ExploitDB entry exists, and it has garnered significant community discussion and media coverage, indicating awareness of its potential.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:forefront_security:-:*:*:*:*:*:*:*
<= 1.1.13704.0CPE matchmatch criteria
cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:windows_defender:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
50.28%
Probability of exploitation in next 30 days
EPSS Percentile
98.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-42092 · May 30, 2017
This CVE's current EPSS score of 0.5028 is in the 99th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

microsoftvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2017-May/CVE-2017-8541Critical

Microsoft Malware Protection Engine Remote Code Execution Vulnerability

May 9, 2017

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-8541
Vendor Advisory
exploit-db.com / exploits/42092
securityfocus.com / bid/98710
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038571