CVE-2020-3898

7.8 highEPSS 0.4%

High (7.8) in apple mac os x. EPSS 0.4% chance of exploitation in the next 30 days.

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Catalina 10.15.4. An application may be able to gain elevated privileges.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
CWEs: CWE-20, CWE-787
Published: 2020-10-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:mac_os_x

References

https://support.apple.com/kb/HT211100
https://support.apple.com/kb/HT211100

Check your stack JSON