Main Vulnerability Database Vulnerabilities #VU131047

Improper input validation in macOS - CVE-2026-28985

Published: May 12, 2026

Vulnerability identifier: #VU131047

CSH Severity: Low

CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-28985

CWE-ID: CWE-20

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker on the local network to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation in mDNSResponder. A remote attacker on the local network can cause a denial-of-service.

macOS
iPadOS
Apple iOS
tvOS

Install update from vendor's website.

macOS - update to 26.5 25F71
iPadOS - update to 26.5 23F77
Apple iOS - update to 26.5 23F77
tvOS - update to 26.5 23L471