ZDI-CAN-31600: ZDI-26-831: Apple macOS CoreText GDEF LigCaretList Out-Of-Bounds Read Information Disclosure Vulnerability
Published Oct 28, 2026
·Updated
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Apple macOS. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2026-112656.
Affected Software
1 affected component
Apple macOS
Event History
Oct 28, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What must an attacker do to exploit this issue?
The attacker must induce the target to visit a malicious page or open a malicious file. Exploitation is remote, but it requires user interaction.
2
What is the impact if exploitation succeeds?
A successful exploit may allow disclosure of sensitive information from an affected Apple macOS installation. The assigned CVSS rating is 3.3.