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CVE-2021-30869: Apple iOS, iPadOS, and macOS Type Confusion Vulnerability
Apple iOS, iPadOS, and macOS · in CISA KEV since 2021-11-03
2021-11-03added to KEV
2021-11-17federal remediation due date
4.13%EPSS exploit probability (30 days) 90.4th percentile
7.8 HIGHCVSS 3.1
Unknownknown ransomware use
71days from NVD publication to KEV
What it is
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.
| CWE | CWE-843 |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2021-08-24 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2021-30869.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.