Skip to main content

CVE-2026-86915: An app may be able to cause unexpected system termination in Apple macOS

0
Medium
VulnerabilityCVE-2026-86915cvecve-2026-86915
Published: 10/20/2026 (10/20/2026, 00:50:50 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: macOS

Description

A race condition vulnerability in Apple macOS prior to version 27 could allow an application to cause unexpected system termination. The issue has been addressed with improved locking mechanisms and fixed in macOS Golden Gate 27.

Affected software

Apple

macOS

Affected versions
>=0 <27
GitHub Actionsmore threats →ai
apple/macos
pkg:github/apple/macos
Affected versions
>=0 <27

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/20/2026, 01:48:55 UTC

Technical Analysis

CVE-2026-86915 describes a race condition vulnerability in Apple macOS that could be exploited by an application to cause the system to terminate unexpectedly. The flaw was mitigated by implementing improved locking, and the fix is included in macOS Golden Gate 27. Versions of macOS before 27 are affected.

Potential Impact

An application running on affected macOS versions may trigger unexpected system termination, potentially causing denial of service or disruption to the user experience. There is no indication of code execution or privilege escalation from the provided data.

Mitigation Recommendations

Upgrade to macOS Golden Gate 27 or later, where the race condition has been fixed with improved locking. No other mitigation steps are specified.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
apple
Date Reserved
2026-09-08T16:43:41.876Z
State
PUBLISHED

Threat ID: 6ad6c19b2cdf04f656e4a8b1

Added to database: 10/20/2026, 01:19:23 UTC

Last enriched: 10/20/2026, 01:48:55 UTC

Last updated: 10/20/2026, 01:48:55 UTC

Views: 3

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses