🛡️ CVE-2026-43818 — ipados
Description
An integer overflow was addressed with improved input validation. 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. Processing a maliciously crafted image may lead to arbitrary code execution.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.
Weakness class
CVE-2026-43818 is classified as CWE-190: Integer Overflow or Wraparound. Arithmetic produces a value too large for its type and wraps around, so a later size or bounds check passes when it should not.
Affected software
CVE-2026-43818 is recorded against 3 packages.
- ipados (fixed in 26.6)
- iphone-os (fixed in 26.6)
- macos (from 26.0 up to 26.6)
Timeline and source
Published on 27 July 2026 and last revised on 29 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.
References
support.apple.com
support.apple.com
support.apple.com
support.apple.com
Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| ipados | — | 26.6 |
| iphone-os | — | 26.6 |
| macos | 26.0 | 26.6 |
References
Similar Threats
- High CVE-2022-22578
- High CVE-2022-22579
- High CVE-2022-22584
- High CVE-2022-22585
- Critical CVE-2022-22587
More CVE 2026 advisories
Browse all of CVE 2026 in the advisory index.
Site Security Check
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