8.8
HighCVSS 3.1 · from CISA
CVE-2026-86949
This issue was addressed by enforcing library validation on the affected binaries.
Xcode · CWE-829 · CWE-829AffectedXcode
FixUpdate to 27 or newer
PublishedOct 20, 00:50 · apple
Scored8.8 · CISA
Exploit code publicNone known · checked 21:18 UTC
ExploitedNone known · CISA KEV checked 22:05 UTC
What we know
No known exploitation. CISA KEV, checked 22:05 UTC.
No public exploit code known. Exploit-DB, Metasploit, Nuclei, checked 21:18 UTC.
An attacker needs local access to the machine. CVSS: local.
A successful attack can read and change data and take the service down. CVSS: high impact on confidentiality, integrity and availability.
A successful attack gives full control of the affected system. CISA: technical impact total.
Description
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.
From apple
Affected and fixed versions
ProductAffectedFixed inXcodebefore 2727
Exploit code
Exploit-DBnone knownMetasploitnone knownNucleinone known