AppleCVE-2026-84619
Apple macOS: out-of-bounds write
Medium6.1CVE-2026-84619 · Published Sep 14, 2026 · updated Sep 23, 2026
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination or write kernel memory.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| macOS Product | < 15.8 | 15.8 |
| < 26.7 | 26.7 | |
| < 27 | 27 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-787
More Apple advisories
All Apple| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 14 | Apple macOS: path traversal | Medium5.5 | 14.8.8+1 more |
| Sep 14 | Apple iOS and iPadOS: out-of-bounds read | Medium5.5 | 27+2 more |
| Sep 14 | A privacy issue was addressed with improved state management | High7.5 | 26.7+2 more |
| Sep 14 | Apple iOS and iPadOS: improper access control | Medium5.5 | 27+2 more |
| Sep 14 | Apple macOS: protection mechanism failure | Medium4.4 | 27 |
| Sep 14 | Apple macOS: path traversal | Medium5.5 | 15.8+2 more |