CVE-2020-9930

7.1 highEPSS 0.3%

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. A local user may be able to cause unexpected system termination or read kernel memory.

Severity

CVSS 3.1

7.1 high

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2021-04-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:mac_os_x

References

https://support.apple.com/en-us/HT211289
https://support.apple.com/en-us/HT211289

Check your stack JSON