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CVE-2016-4678

24
FAUCET Score

CVE-2016-4678 is a high-severity vulnerability affecting macOS before version 10.12.1, specifically within the AppleSMC component. It allows a local attacker to achieve privilege escalation or trigger a denial of service through a NULL pointer dereference. While rated with a CVSS score of 7.8, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it has received no community discussion or media coverage, indicating a low likelihood of active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.12.0CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
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
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 62nd percentile among its peer group of 17,070 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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)

applevendor investigatingvia nvd_reference
View patch

References

support.apple.com / HT207275
Vendor Advisory
securityfocus.com / bid/93852
Third Party AdvisoryVDB Entry
securitytracker.com / id/1037086