CVE-2021-30883
Apple iOS and iPadOS, Apple macOS
Published 24 Aug 2021 · updated 17 Jun 2026 · Analyzed
7.8 High · CVSS 3.1, NVD
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 23 May 2022, with a remediation deadline of 13 Jun 2022 for US federal agencies.
Required action: Apply updates per vendor instructions.
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
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30883 · US Government Resource