CVE Watch—

CVE-2021-30900

Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability

CVSS

—

No CVSS

EPSS

5.2%

p92

KEV

YES

Mar 30, 2023

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

5.2%EPSS · 30 days5.2%

2026-06-302026-07-17

KEV catalog record

Product

Apple / iOS, iPadOS, and macOS

Vulnerability

Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability

Added to KEV

Mar 30, 2023

Remediate by

Apr 20, 2023

Known ransomware use

Summary description

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

Apply updates per vendor instructions.

Notes

https://support.apple.com/en-us/HT21286, https://support.apple.com/en-us/HT212868, https://support.apple.com/kb/HT212872; https://nvd.nist.gov/vuln/detail/CVE-2021-30900

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