Is It On KEV?

Apple iOS, iPadOS, and macOS

YES - ON THE CISA KEV LIST
CVE-2021-30869

Apple iOS, iPadOS, and macOS Type Confusion Vulnerability

CISA catalog due date2021-11-17
overdue since 2021-11-17
EPSS exploit probability (next 30 days)4.2% · 91percentile
From CVE publication to KEV listing71 days (2021-08-24 → 2021-11-03)
Remediation window (KEV listing to due date)14 days
Days on the KEV list1834 days
Date added to KEV2021-11-03
Known ransomware campaign useUnknown
VendorApple
ProductiOS, iPadOS, and macOS
Weaknesses (CWE)CWE-843

Apple: 96 entries (5.4% of all KEV entries are from this vendor); 10 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

Apple iOS, iPadOS, and macOS contain a type confusion vulnerability in the XNU which may allow a malicious application to execute code with kernel privileges.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-30869

References

Other KEV entries for this vendor: Apple

Apple - Vendors with KEV entries

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