CVE catalog
CVE-2026-43655
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. An app may be able to cause unexpected sy
- Severity
- High · CVSS 7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.36% · Oct 25, 2026
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination or read kernel memory.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | ipados | Not reported | 26.5 | fixed |
| Cpe | iphone_os | Not reported | 26.5 | fixed |
| Cpe | macos | Not reported | 26.5 | fixed |
| Cpe | tvos | Not reported | 26.5 | fixed |
| Cpe | watchos | Not reported | 26.5 | fixed |
| Cpe | ipados | Not reported | 26.5 | fixed |
| Cpe | iphone_os | Not reported | 26.5 | fixed |
| Cpe | macos | Not reported | 26.5 | fixed |
| Cpe | tvos | Not reported | 26.5 | fixed |
| Cpe | watchos | Not reported | 26.5 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | ipados | cpe | Not reported | 26.5 | Not reported | Not reported | Not reported |
| Cpe | iphone_os | cpe | Not reported | 26.5 | Not reported | Not reported | Not reported |
| Cpe | macos | cpe | Not reported | 26.5 | Not reported | Not reported | Not reported |
| Cpe | tvos | cpe | Not reported | 26.5 | Not reported | Not reported | Not reported |
| Cpe | watchos | cpe | Not reported | 26.5 | Not reported | Not reported | Not reported |
| Cpe | ipados | cpe | Not reported | 26.5 | Not reported | NVD-CVE-2026-43655 | Not reported |
| Cpe | iphone_os | cpe | Not reported | 26.5 | Not reported | NVD-CVE-2026-43655 | Not reported |
| Cpe | macos | cpe | Not reported | 26.5 | Not reported | NVD-CVE-2026-43655 | Not reported |
| Cpe | tvos | cpe | Not reported | 26.5 | Not reported | NVD-CVE-2026-43655 | Not reported |
| Cpe | watchos | cpe | Not reported | 26.5 | Not reported | NVD-CVE-2026-43655 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-43655]
- [https://support.apple.com/en-us/127110]
- [https://support.apple.com/en-us/127115]
- [https://support.apple.com/en-us/127118]
- [https://support.apple.com/en-us/127119]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1463.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)]