AppleCVE-2026-84620
Apple iOS and iPadOS: integer overflow
High7.3CVE-2026-84620 · Published Sep 14, 2026 · updated Sep 18, 2026
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted 3D model may lead to memory corruption.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| iOS and iPadOS Product | < 26.7 | 26.7 |
| < 27 | 27 | |
| macOS Product | < 15.8 | 15.8 |
| < 26.7 | 26.7 | |
| < 27 | 27 | |
| tvOS Product | < 27 | 27 |
| visionOS Product | < 27 | 27 |
| watchOS Product | < 27 | 27 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-190
- www.cve.org/CVERecord?id=CVE-2026-84620
- nvd.nist.gov/vuln/detail/CVE-2026-84620
- support.apple.com/en-us/149034
- support.apple.com/en-us/149035
- support.apple.com/en-us/149036
- support.apple.com/en-us/149037
- support.apple.com/en-us/149038
- support.apple.com/en-us/149041
- support.apple.com/en-us/149042
- support.apple.com/en-us/149043
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 |