# CVE-2026-86991: Apple Accelerate Framework buffer overflow in image processing

Source: https://junglewise.ai/threats/cve-2026-86991-a-buffer-overflow-was-addressed-with-improved-bounds-checking  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-26. Updated: 2026-10-26  
License: CC BY 4.0 with a link back

CVE-2026-86991 · Severity: info · Published 2026-10-26

Apple's Accelerate Framework, which processes images and multimedia on iPhones and iPads, contains an out-of-bounds write vulnerability that can be triggered by a maliciously crafted image file. An attacker who tricks a user into opening a specially crafted image could cause an app to crash or potentially corrupt memory. This issue affects millions of iPhone and iPad users and is addressed in the latest iOS and iPadOS updates.

Technologies: [Apple Ios](https://junglewise.ai/threats/technologies/apple-ios), [Apple iPadOS](https://junglewise.ai/threats/technologies/ipados), [Apple macOS](https://junglewise.ai/threats/technologies/macos), [Apple Visionos](https://junglewise.ai/threats/technologies/visionos). Vendors: [Apple](https://junglewise.ai/threats/vendors/apple).

## Quick answers

**Is CVE-2026-86991 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-86991 being exploited in the wild.

**How severe is CVE-2026-86991?** Informational severity, published 26 October 2026.

**Which products and versions are affected?** Apple Ios before 26.7.2 and 27.2; Apple iPadOS before 26.7.2 and 27.2; Apple macOS Golden Gate before 27.2, Sequoia before 15.8.2, Tahoe before 26.7.2; Apple Visionos before 27.2.

**Is there a fix for CVE-2026-86991?** Yes: fixed in iOS 26.7.2, iOS 27.2, iPadOS 26.7.2, iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-86991 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-86991?** Check whether you run Apple Ios, Apple iPadOS, 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.

## How to fix

- Fixed in iOS 26.7.2, iOS 27.2, iPadOS 26.7.2, iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27.2

## Technical details

An out-of-bounds write issue in the Accelerate Framework's image processing code was fixed with improved bounds checking. The vulnerability is triggered when processing a maliciously crafted image file, leading to unexpected app termination or potential memory corruption. The fix is available in iOS 26.7.2, 27.2 and later, and corresponding iPadOS, macOS, and visionOS versions.

## Affected products

- Apple iOS before 26.7.2 and 27.2
- Apple iPadOS before 26.7.2 and 27.2
- Apple macOS Golden Gate before 27.2, Sequoia before 15.8.2, Tahoe before 26.7.2
- Apple visionOS before 27.2

## Timeline

- 2026-10-26: disclosed

## References

- [https://support.apple.com/en-us/149227](https://support.apple.com/en-us/149227)
- [https://support.apple.com/en-us/149230](https://support.apple.com/en-us/149230)

## Related threats

- [Apple Bluetooth use-after-free vulnerability](https://junglewise.ai/threats/cve-2026-113970-a-use-after-free-issue-was-addressed-with-improved-memory)
- [Apple iOS, iPadOS, macOS, and related platforms rate limit bypass in AirPlay pairing](https://junglewise.ai/threats/cve-2026-113969-a-logic-issue-was-addressed-with-improved-state-management-this)
- [Apple iOS and iPadOS Bluetooth pairing code rate limit bypass](https://junglewise.ai/threats/cve-2026-113968-a-logic-issue-was-addressed-with-improved-state-management-this)
- [Apple iOS/iPadOS Bluetooth pairing bypass](https://junglewise.ai/threats/cve-2026-113965-this-issue-was-addressed-with-improved-checks-this-issue-is)
- [Apple iOS and iPadOS Bluetooth pairing rate limit bypass in CoreUtils](https://junglewise.ai/threats/cve-2026-113964-a-logic-issue-was-addressed-with-improved-state-management-this)