CVE-2026-28983

high

Description

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. 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/127120

https://support.apple.com/en-us/127119

https://support.apple.com/en-us/127118

https://support.apple.com/en-us/127115

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

https://support.apple.com/en-us/127110

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

Severity: High

EPSS

EPSS: 0.00131