# CVE-2026-65346: Apple ImageIO integer overflow in image processing

Source: https://junglewise.ai/threats/cve-2026-65346-apple-imageio-integer-overflow-in-image-processing  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-17. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-65346 · Severity: high · CVSS 8.8 · Published 2026-08-17

Apple's ImageIO library processes images across iOS, iPadOS, and macOS devices. An integer overflow vulnerability in image handling allows attackers to execute arbitrary code by crafting a malicious image file, potentially compromising device security and user data.

Technologies: [Apple iPadOS](https://junglewise.ai/threats/technologies/ipados), [Apple Iphone Os](https://junglewise.ai/threats/technologies/iphone-os), [Apple macOS](https://junglewise.ai/threats/technologies/macos), [Apple Tvos](https://junglewise.ai/threats/technologies/tvos), [Apple Visionos](https://junglewise.ai/threats/technologies/visionos), [Apple watchOS](https://junglewise.ai/threats/technologies/watchos). Vendors: [Apple](https://junglewise.ai/threats/vendors/apple).

## Quick answers

**Is CVE-2026-65346 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-65346 being exploited in the wild.

**How severe is CVE-2026-65346?** High severity, with a CVSS score of 8.8, published 17 August 2026.

**Which products and versions are affected?** Apple iPadOS before 26.6.1; Apple macOS Sequoia before 15.8; Apple macOS Tahoe before 26.6.2; Apple Tvos before 27; and 2 more.

**Is there a fix for CVE-2026-65346?** A patch was published on 2026-08-17. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-65346 attacked?** It is attacked over the network, in an operating system.

**Am I affected by CVE-2026-65346?** Check whether you run Apple iPadOS, Apple Iphone Os, Apple macOS or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an integer overflow in ImageIO's image processing logic, addressed through improved input validation. An attacker can trigger arbitrary code execution by providing a specially crafted image file. The vulnerability is remotely exploitable via image processing without requiring special privileges or user interaction beyond opening/processing the image. The issue affects ImageIO framework across iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27, with patches available in these versions.

## Affected products

- Apple iOS before 26.6.1
- Apple iPadOS before 26.6.1
- Apple macOS Sequoia before 15.8
- Apple macOS Tahoe before 26.6.2
- Apple tvOS before 27
- Apple visionOS before 27
- Apple watchOS before 27

## Timeline

- 2026-08-17: disclosed
- 2026-08-17: patched

## References

- [https://support.apple.com/en-us/148281](https://support.apple.com/en-us/148281)
- [https://support.apple.com/en-us/148282](https://support.apple.com/en-us/148282)

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