Quick answers
- Is CVE-2026-86939 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-86939 being exploited in the wild.
- How severe is CVE-2026-86939?
- Informational severity, published 26 October 2026.
- Which products and versions are affected?
- Apple macOS Golden Gate before 27.2; Apple macOS Tahoe before 26.7.2.
- Is there a fix for CVE-2026-86939?
- Yes: fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-86939 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-86939?
- Check whether you run Apple macOS Golden Gate 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.
How to fix
- Fixed in: macOS Golden Gate 27.2, macOS Tahoe 26.7.2
Technical details
A permissions validation issue in macOS Archive Utility allows an attacker with existing root privileges to access protected user data. The vulnerability was addressed through additional permission restrictions in the affected component. The attack requires root-level access as a precondition.
Affected products
- Apple macOS Golden Gate before 27.2
- Apple macOS Tahoe before 26.7.2
Timeline
- 2026-10-26: disclosed
- 2026-10-26: patched