An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.6.1 and iPadOS 15.6.1, macOS Monterey 12.5.1. 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.
Conclusion & alert: CVE-2022-32894 is rated Critical Active Threat (89.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.26%). Core evidence: CISA KEV confirms active exploitation (added 2022-08-18) affecting Apple / iOS and macOS. a weakness (CWE-787) Unauthenticated remote administrative access may be possible. EPSS rose +2.94% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Apple iOS and macOS Out-of-Bounds Write Vulnerability · CISA KEV detail
: 2022-08-18
: 2022-09-08
: Apply updates per vendor instructions.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.31% | 3.26% | +2.94% |
| 2 | 2026-05-16 | 0.19% | 0.31% | +0.12% |
| 3 | 2026-03-03 | — | 0.19% | — |
Full EPSS history (22 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | ipados | < 15.6.1 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 15.6.1 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | macos | >= 11.0, < 11.7 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | macos | >= 12.0, < 12.5.1 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | watchos | < 9.0 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://seclists.org/fulldisclosure/2022/Aug/16 | Mailing List Third Party Advisory |
| http://seclists.org/fulldisclosure/2022/Oct/45 | Mailing List Third Party Advisory |
| http://seclists.org/fulldisclosure/2022/Oct/49 | Mailing List Third Party Advisory |
| https://support.apple.com/en-us/HT213412 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/HT213413 | Release Notes Vendor Advisory |
| https://support.apple.com/kb/HT213443 | Third Party Advisory |
| https://support.apple.com/kb/HT213486 | Third Party Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-32894 | US Government Resource |