CVE-2026-86875: Input Validation

Q: How can I determine whether the issue has been remediated?

The issue is fixed in Xcode 27. Verify the installed Xcode version; installations running Xcode 27 have the documented fix.

Published Oct 20, 2026

Updated

An input validation issue was addressed with improved input validation. This issue is fixed in Xcode 27. Parsing a maliciously crafted binary may lead to unexpected app termination.

Affected Software

1 affected component

Apple Xcode<27

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade Xcode to a version that resolves this vulnerability.
Fixed in 27

Event History

Oct 20, 2026

CVE Published

via MITRE·12:50 AM

Data Sourced

via MITRE·12:50 AM

DescriptionWeakness

Data Sourced

via NVD·01:17 AM

Description

Frequently Asked Questions

How can I determine whether the issue has been remediated?

The issue is fixed in Xcode 27. Verify the installed Xcode version; installations running Xcode 27 have the documented fix.