Memory corruption in macOS - CVE-2026-112607

 

Memory corruption in macOS - CVE-2026-112607

Published: October 27, 2026


Vulnerability identifier: #VU157895
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-112607
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to potentially corrupt memory and cause a denial of service.

The vulnerability exists due to improper restriction of operations within memory buffer boundaries in mDNSResponder when handling input. A remote attacker can supply specially crafted input to potentially trigger out-of-bounds memory access and disrupt the service.


Affected software

macOS
Apple iOS
iPadOS

How to mitigate CVE-2026-112607

Install update from vendor's website.

macOS - update to 27.2 26B123
Apple iOS - addressed in versions 27.2 24B119, 27.2 24B120, 27.2 24B91020
iPadOS - update to 27.2 24B119

External References

Related Security Bulletins