Advisory Details

February 3rd, 2026

Apple macOS AppleIntelKBLGraphics Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-26-056
ZDI-CAN-28035

CVE ID CVE-2025-43283
CVSS SCORE 6.5, AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
AFFECTED VENDORS Apple
AFFECTED PRODUCTS macOS
VULNERABILITY DETAILS

This vulnerability allows local attackers to disclose sensitive information on affected installations of Apple macOS. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the AppleIntelKBLGraphics kext. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the kernel.

ADDITIONAL DETAILS Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/en-ca/125110
DISCLOSURE TIMELINE
  • 2025-09-02 - Vulnerability reported to vendor
  • 2026-02-03 - Coordinated public release of advisory
  • 2026-02-03 - Advisory Updated
CREDIT Anonymous
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