CVE-2026-7483 is a local privilege escalation vulnerability in ESET Endpoint Security for macOS. It allows an attacker with local access and limited privileges to write arbitrary files with fully controlled content as a privileged user. This improper privilege management issue (CWE-269) could lead to unauthorized system modifications. The vulnerability affects versions 8.1, 9.0, and 9.1 of the product. The CVSS 4.0 base score is 8.5, indicating high severity. There is no vendor advisory or patch available at this time, and no known exploits in the wild have been reported.

An attacker with local access and limited privileges could exploit this vulnerability to write arbitrary files as a privileged user, potentially leading to unauthorized system changes, privilege escalation, and compromise of system integrity. This could facilitate further attacks or persistence on the affected system.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only and monitor for suspicious activity related to file modifications by non-privileged users.