CVE-2016-7633

CVE-2016-7633 is a use-after-free vulnerability in the Directory Services component of Apple macOS versions prior to 10.12.2. This flaw allows a local attacker to achieve privilege escalation or cause a denial of service. With a CVSS v3 score of 7.8 (High), it poses a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, an exploit (EDB-40954) demonstrating a double vm_deallocate use-after-free exists, though there is no evidence of active exploitation or significant community discussion.