CVE-2026-28872

HIGH

iOS and iPadOS < 18.7.9 and < 26.4 - Denial of Service via Resource Exhaustion

Title source: llm

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.

References (2)

Core 2

Core References

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

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

Scores

CVSS v3 7.5

EPSS 0.0012

EPSS Percentile 30.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-400

Status published

Products (4)

Apple/iOS and iPadOS < 18.7.9

Apple/iOS and iPadOS < 26.4

apple/ipados < 18.7.9

apple/iphone_os < 18.7.9

Published May 11, 2026

Tracked Since May 12, 2026