High 7.8Published Apr 2, 2021

CVE-2020-27938A logic issue was addressed with improved state management.

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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It affects apple mac_os_x. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may be able to elevate privileges.

CVSS: 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-269
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

apple mac_os_x apple:mac_os_x	before 11.2.0; before 11.1.0	NVD

References

References

https://support.apple.com/en-us/HT212011	vendor-advisory
https://support.apple.com/en-us/HT212147	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.