Memory Handling Flaw in Apple macOS and iOS Products
CVE-2026-20621
5.5MEDIUM
What is CVE-2026-20621?
This vulnerability involves issues related to memory management within Apple's operating systems, potentially allowing applications to disrupt normal operations. By exploiting this flaw, an application might induce unexpected system terminations or corrupt kernel memory, which can adversely affect the overall stability and security of devices running affected versions of macOS and iOS.
Human OS v1.0:
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Affected Version(s)
iOS and iPadOS < 26.3
iOS and iPadOS < 18.7
macOS < 26.3
References
CVSS V3.1
Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved