The vulnerability is an out‑of‑bounds write that attacks kernel memory boundaries. An application may trigger the issue, resulting in unexpected system termination or corrupting memory used by the operating system. This flaw is a classic memory reliability issue (CWE‑787) and can compromise integrity of the kernel, potentially enabling further exploitation.

Apple macOS systems are affected. The problem was fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5, and macOS Ventura 13.7.5. All earlier releases of these operating system families are vulnerable until updated to the specified versions or newer.

The CVSS score of 7.8 indicates a high severity. The EPSS score is less than 1 %, meaning the probability of exploitation now is low, and it is not listed in the CISA KEV catalog. The attack vector is inferred to be local, likely requiring that a malicious or vulnerable application runs with kernel‑level privileges. Exploitation would corrupt kernel memory or crash the system, potentially serving as a foothold for further attacks.