7.5 High

CVE-2026-112519 An integer overflow was addressed with improved input validation

Description

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Connecting to a malicious VNC server may cause a denial-of-service.

CVSS 3.1 detail

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitable remotely over the network, without an account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector: Network
Attack complexity: Low
Privileges required: None
Interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Affected products and versions

Product	Affected versions	Fixed in
macOS 27.2	earliest → < 27.2	27.2
macOS 26.7	earliest → < 26.7.2	26.7.2
macOS 15.8	earliest → < 15.8.2	15.8.2

References

support.apple.com support.apple.com
support.apple.com support.apple.com
support.apple.com support.apple.com

Timeline

Published October 26, 2026
Last modified November 4, 2026

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