CVE-2020-27921

7.0 highEPSS 0.8%

High (7.0) in apple mac os x. EPSS 0.8% chance of exploitation in the next 30 days.

A race condition was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.

Severity

CVSS 3.1

7.0 high

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE: CWE-362
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/HT211931
https://support.apple.com/en-us/HT212011
https://support.apple.com/en-us/HT211931
https://support.apple.com/en-us/HT212011

Check your stack JSON