CVE-2026-28912 in macOS
Summary
by MITRE • 07/28/2026
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. A user may be able to elevate privileges.
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Analysis
by VulDB Data Team • 07/28/2026
This vulnerability represents a privilege escalation flaw that emerged from insufficient access controls within the operating system's security framework. The issue stems from inadequate restrictions that allow unauthorized users to gain elevated system privileges, potentially compromising the integrity and confidentiality of the affected systems. The vulnerability exists at the core of the system's permission model where proper boundary checks fail to validate user intentions before granting administrative capabilities.
The technical implementation flaw manifests in how the system evaluates user permissions during critical operations that should require elevated privileges. This logic error creates a pathway where malicious actors or compromised accounts can exploit the insufficient validation mechanisms to bypass normal security boundaries. The vulnerability aligns with common weakness enumerations such as CWE-284 which addresses improper access control, and CWE-732 which covers inadequate protection of system resources. Attackers could leverage this flaw to execute commands with root privileges, potentially leading to complete system compromise.
The operational impact of this privilege escalation vulnerability is substantial across enterprise environments where multiple users interact with shared systems. Organizations may face unauthorized data access, system manipulation, and potential lateral movement within their networks. The vulnerability affects both macOS Sequoia 15.7.8 and macOS Tahoe 26.6 releases, indicating it spans multiple operating system versions and could impact various deployment scenarios from desktop environments to server configurations. This presents a significant risk to organizations that have not yet applied the necessary security patches.
Security professionals should implement immediate mitigation strategies including prompt patch deployment across all affected systems, followed by comprehensive monitoring for suspicious activities. The recommended approach aligns with attack technique T1068 which covers local privilege escalation and T1548 which addresses abuse of elevation tools. Organizations must also conduct thorough security audits to identify any potential exploitation attempts and establish enhanced logging mechanisms to detect abnormal privilege usage patterns. The vulnerability highlights the critical importance of maintaining up-to-date security patches and implementing layered defense strategies to protect against such fundamental access control failures in operating system architectures.