SIP is a security technology in macOS that restricts a root user from performing operations that may compromise system integrity. A fix for this vulnerability, now identified as CVE-2021-30892, was included in the security updates released by Apple on October 26, 2021. We shared these findings with Apple through Coordinated Vulnerability Disclosure (CVD) via Microsoft Security Vulnerability Research (MSVR). We also found a similar technique that could allow an attacker to elevate their privileges to root an affected device. Microsoft has discovered a vulnerability that could allow an attacker to bypass System Integrity Protection (SIP) in macOS and perform arbitrary operations on a device.

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