Main Vulnerability Database Vulnerabilities #VU131087

Out-of-bounds write in macOS - CVE-2026-28819

Published: May 12, 2026

Vulnerability identifier: #VU131087

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2026-28819

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: Apple Inc.

Affected software:
macOS

Detailed vulnerability description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to an out-of-bounds write in Wi-Fi. A local application can execute arbitrary code with kernel privileges.

Install update from vendor's website.