Apple · iOS and macOS
CVE-2022-22587
Apple Memory Corruption Vulnerability
What it is
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 15.3 and iPadOS 15.3, macOS Big Sur 11.6.3, macOS Monterey 12.2. A malicious 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..
CISA: Apple IOMobileFrameBuffer contains a memory corruption vulnerability which can allow a malicious application to execute arbitrary code with kernel privileges.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: February 11, 2022
More exploited flaws from Apple
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Aug 18, 2022 | Out-of-Bounds Write | iOS and macOS | High 8.8 | 9.9% |
| Aug 18, 2022 | Out-of-Bounds Write | iOS and macOS | High 7.8 | 3.3% |
| Nov 3, 2021 | Group Facetime | iOS and macOS | High 7.5 | 2.6% |
| Sep 29, 2026 | Out-of-Bounds Write | Multiple Products | High 8.8 | 26% |
| Aug 18, 2026 | Improper Authentication | macOS | Critical 9.8 | 1.7% |
| Mar 20, 2026 | Buffer Overflow | Multiple Products | High 8.8 | 1.7% |
| Mar 20, 2026 | Improper Locking | Multiple Products | High 7.8 | 0.4% |
| Mar 20, 2026 | Classic Buffer Overflow | Multiple Products | Medium 5.5 | 0.4% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.