CVE-2026-28872

high

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

https://isc.sans.edu/diary/rss/32976

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

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-29222

Details

Source: Mitre, NVD

Published: 2026-05-11

Updated: 2026-05-13

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

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