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CVE-2018-4042

20
FAUCET Score

CVE-2018-4042 is a privilege escalation vulnerability in the helper service of CleanMyMac X, version 4.04, stemming from improper input validation. An attacker with local access can exploit this to modify the file system with root privileges. The vulnerability has a CVSS score of 5.5 (Medium) and is considered low complexity, requiring local access but no user interaction. While there is no known active exploitation or public exploit code, it has received limited community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.04CPE matchmatch criteria
cpe:2.3:a:macpaw:cleanmymac_x:4.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.5
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 80th percentile among its peer group of 15,937 CVEs.

Social Chatter

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

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

talosintelligence.com / vulnerability_reports/TALOS-2018-0716
Third Party Advisory