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CVE-2021-30900: Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
Apple iOS, iPadOS, and macOS · in CISA KEV since 2023-03-30
2023-03-30added to KEV
2023-04-20federal remediation due date
5.20%EPSS exploit probability (30 days) 92.1th percentile
7.8 HIGHCVSS 3.1
Unknownknown ransomware use
583days from NVD publication to KEV
What it is
Apple GPU drivers, included in iOS, iPadOS, and macOS, contain an out-of-bounds write vulnerability that may allow a malicious application to execute code with kernel privileges.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-20;CWE-787 |
|---|---|
| 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-2021-30900.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.