Apple · iOS and iPadOS
CVE-2022-42827
Apple iOS and iPadOS Out-of-Bounds Write Vulnerability
What it is
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.7.1 and iPadOS 15.7.1, iOS 16.1 and iPadOS 16. 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..
CISA: Apple iOS and iPadOS kernel contain an out-of-bounds write vulnerability which can allow an application to perform code execution with kernel privileges.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: November 15, 2022
More exploited flaws from Apple
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Mar 5, 2026 | Use-After-Free | iOS and iPadOS | High 7.8 | 2.0% |
| Feb 12, 2025 | Incorrect Authorization | iOS and iPadOS | Medium 6.1 | 4.5% |
| Oct 5, 2023 | Kernel Privilege Escalation | iOS and iPadOS | High 7.8 | 1.0% |
| Jun 27, 2022 | Buffer Overflow | iOS and iPadOS | High 7.8 | 2.9% |
| 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% |
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.