CVE-2021-30787

Name of the Vulnerable Software and Affected Versions macOS versions prior to 11.5 Security Update versions prior to 2021-004 on Catalina Security Update versions prior to 2021-005 on Mojave

Description The issue allows an application to potentially cause unexpected system termination or write kernel memory due to an out-of-bounds write privilege escalation. This could be exploited through the process token BindQueryStoreRegisterToMemoryList function.

Recommendations For macOS versions prior to 11.5, update to macOS Big Sur 11.5. For Catalina, apply Security Update 2021-004. For Mojave, apply Security Update 2021-005.