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CVE-2018-6336

25
FAUCET Score

CVE-2018-6336 describes a vulnerability in osquery versions prior to 3.2.7 where maliciously crafted Universal/fat binaries could bypass third-party code signing checks. This allowed unsigned, malicious code to execute while appearing legitimately signed by Apple. The vulnerability carries a CVSS v3.1 score of 7.8 (High), indicating that a local attacker, with user interaction, could achieve high impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion, though it did receive limited media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.2.7CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:osquery:*:*:*:*:*:*:*:*
< 3.2.7CPE match
cpe:2.3:a:facebook:osquery:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 39th 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

Remediation records are not available for this CVE.

References

okta.com / security-blog/2018/06/issues-around-third-party-apple-code-signing-checks
ExploitThird Party Advisory