Inclusion of Functionality from Untrusted Control Sphere in Apple Xcode - CVE-2026-86949
Published: October 20, 2026
Vulnerability identifier: #VU156215
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-86949
CWE-ID: CWE-829
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escape an app's sandbox.
The vulnerability exists due to insufficient library validation in affected Xcode binaries when loading libraries. A local user can run a malicious app that exploits this validation weakness to escape its sandbox.
Affected software
Apple Xcode
How to mitigate CVE-2026-86949
Install security update from vendor's website.
Apple Xcode - update to 27.0