AppleCVE-2026-43753
Apple iOS and iPadOS: out-of-bounds read
Medium4.6CVE-2026-43753 · Published Jul 27, 2026 · updated Jul 28, 2026
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An attacker with physical access to a locked device may be able to view sensitive user information.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| iOS and iPadOS Product | < 26.6 | 26.6 |
| macOS Product | < 14.8.8 | 14.8.8 |
| < 15.7.8 | 15.7.8 | |
| < 26.6 | 26.6 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-125
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 |