CVE-2026-86949: Apple Xcode vulnerability
Published Oct 20, 2026
·Updated
This issue was addressed by enforcing library validation on the affected binaries. This issue is fixed in Xcode 27. A malicious app may be able to break out of its sandbox.
Affected Software
1 affected component
Apple Xcode<27
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in Xcode 27 - Configuration
Enforce library validation on the affected binaries.
affected binaries library validation = enforced
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
1
Who is exposed to this issue?
Systems running an affected version of Apple Xcode are potentially exposed if a malicious app can be run on the system.
2
What does an attacker need to exploit it?
The available information indicates that an attacker needs a malicious app. Successful exploitation may allow that app to break out of its sandbox.
3
What is the remediation?
Update to Xcode 27, which fixes the issue by enforcing library validation on the affected binaries.