AppleCVE-2026-43776
Apple iOS and iPadOS: buffer overflow
High7.8CVE-2026-43776 · Published Jul 27, 2026 · updated Aug 17, 2026
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| iOS and iPadOS Product | < 18.7.10 | 18.7.10 |
| < 26.6 | 26.6 | |
| macOS Product | < 15.7.8 | 15.7.8 |
| < 26.6 | 26.6 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-120
More Apple advisories
All Apple| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jul 27 | Apple iOS and iPadOS: out-of-bounds write | Critical9.8 | 18.7.10+3 more |
| Jul 27 | Apple iOS and iPadOS: out-of-bounds write | Critical9.8 | 18.7.10+3 more |
| Jul 27 | Apple iOS and iPadOS: buffer overflow | Critical9.8 | 18.7.10+2 more |
| Jul 27 | Apple iOS and iPadOS: out-of-bounds write | Critical9.8 | 18.7.10+2 more |
| Jul 27 | Apple iOS and iPadOS: integer overflow | Critical9.8 | 18.7.10+3 more |
| Jul 27 | A memory initialization issue was addressed with improved memory handling | Critical9.8 | 26.6+2 more |