CVE-2018-4283

5.5 mediumEPSS 0.3%

Medium (5.5) in apple mac os x. EPSS 0.3% chance of exploitation in the next 30 days.

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue affected versions prior to macOS High Sierra 10.13.6.

Severity

CVSS 3.0

5.5 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2019-04-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:mac_os_x

References

https://support.apple.com/kb/HT208937
https://support.apple.com/kb/HT208937

Check your stack JSON