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Severity
High
Analysis Summary
CVE-2021-30807
Apple macOS Big Sur could allow a local attacker to gain elevated privileges on the system, caused by a memory corruption issue in the IOMobileFrameBuffer component. By using a specially crafted application, an attacker could exploit this vulnerability to execute arbitrary code with kernel privileges.
Impact
- Unauthorized access
- Privilege escalation
Affected Vendors
Apple
Affected Products
- Apple iOS 14.6
- Apple iPadOS 14.6
- Apple macOS Big Sur 11.5.0
Remediation
Refer to for patch, upgrade, or suggested workaround information.