Apple Multiple Products Memory Corruption Vulnerability

HIGH 7.8EXPLOITED (CISA KEV)CVE-2021-30883 · Published 24/08/2021 · updated 17/06/2026

Apple Multiple Products Memory Corruption Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 23/05/2022. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
Multiple Products Apple	Versions not published yet (product named by CISA KEV)

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..

References

support.apple.com/en-us/HT212846 · Vendor Advisory
support.apple.com/en-us/HT212868 · Vendor Advisory
support.apple.com/en-us/HT212869 · Vendor Advisory
support.apple.com/en-us/HT212872 · Vendor Advisory
support.apple.com/en-us/HT212874 · Vendor Advisory
support.apple.com/en-us/HT212876 · Vendor Advisory
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2021-30883

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