CVE-2026-86948

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-20 · updated 2026-10-30
Weakness: CWE-829

Description

This issue was addressed by enforcing library validation on the affected binaries. This issue is fixed in Xcode 27. An app may be able to break out of its sandbox.

Affected products

Apple Xcode: before 27.0 — fixed in 27.0
Apple Xcode: before 27 — fixed in 27

How to fix

Upgrade to a fixed version: Apple Xcode 27.0; Apple Xcode 27. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/149040

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