CVE-2026-28872

State: Published
Severity: 7.5 High
Published: May 11, 2026
Updated: May 12, 2026
Reserved: Mar 3, 2026

Description

A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. A remote attacker may be able to cause a denial-of-service.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
iOS and iPadOSApple	before 18.7.9Affected before 26.4Affected

References

https://support.apple.com/en-us/126792
https://support.apple.com/en-us/127111

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