# CVE-2026-43692: Apple macOS input validation issue with unexpected termination or code execution

Source: https://junglewise.ai/threats/cve-2026-43692-apple-macos-input-validation-issue-with-unexpected-termination-or  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-14. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-43692 · Severity: high · CVSS 8.8 · Published 2026-09-14

A validation issue in macOS allows remote users to trigger unexpected application crashes or execute arbitrary code by sending maliciously crafted input. This vulnerability affects multiple recent macOS versions and could enable attackers to compromise system stability and potentially gain unauthorized access to affected Apple computers.

Technologies: [Apple macOS Golden Gate](https://junglewise.ai/threats/technologies/macos-golden-gate), [Apple macOS Sequoia](https://junglewise.ai/threats/technologies/macos). Vendors: [Apple](https://junglewise.ai/threats/vendors/apple).

## Quick answers

**Is CVE-2026-43692 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-43692 being exploited in the wild.

**How severe is CVE-2026-43692?** High severity, with a CVSS score of 8.8, published 14 September 2026.

**Which products and versions are affected?** Apple macOS Golden Gate before 27; Apple macOS Sequoia before 15.8; Apple macOS Tahoe before 26.7.

**Is there a fix for CVE-2026-43692?** A patch was published on 2026-09-14: Patches available in macOS Golden Gate 27, Sequoia 15.8, Tahoe 26.7 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-43692 attacked?** It is attacked over the network, in an operating system.

**Am I affected by CVE-2026-43692?** Check whether you run Apple macOS Golden Gate, Apple macOS Sequoia or Apple macOS Tahoe 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 a validation/input sanitization issue (CVE-2026-43692) in macOS that can be triggered by a remote user. The affected component processes untrusted input without proper validation, leading to either unexpected application termination (denial of service) or arbitrary code execution depending on exploitation technique. The issue is addressed through improved input sanitization and bounds checking. Remote attack vector; no authentication required. Patches are available in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.

## Affected products

- Apple macOS Golden Gate before 27
- Apple macOS Sequoia before 15.8
- Apple macOS Tahoe before 26.7

## Timeline

- 2026-09-14: disclosed: CVE-2026-43692 published; security patches released
- 2026-09-14: patched: Patches available in macOS Golden Gate 27, Sequoia 15.8, Tahoe 26.7

## References

- [https://support.apple.com/en-us/149035](https://support.apple.com/en-us/149035)
- [https://support.apple.com/en-us/149042](https://support.apple.com/en-us/149042)

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