CVE-2021-30883

CWE-787

Critical

90.3

RPS

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

Source: NVD

CVSS: 7.8; High · v3.1
EPSS: 14.72%; Probability of exploitation in the next 30 days (FIRST)
CISA KEV: In CISA KEV since May 2022
Fix commit: No known fix commit; Sources: MoreFixes, FreshFixes
Weakness: CWE-787
Published: 24 Aug 2021; Last modified 23 Oct 2025

How to read these signals: RPS · EPSS · CISA KEV · Data sources

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Data as of 7 Oct 2026, 05:16 UK time

CVE-2021-30883

Description

Signals

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