ACTIVELY EXPLOITED

CVE-2021-30807: Apple Multiple Products Memory Corruption Vulnerability

Facts
VendorApple
ProductMultiple Products
Actively exploitedYes
Added to CISA KEV3 Nov 2021
CISA federal deadline17 Nov 2021
Weakness (CWE)CWE-787

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute code with kernel privileges.

SOURCES

Other Apple flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.