CVE-2026-20621

medium

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. An app may be able to cause unexpected system termination or corrupt kernel memory.

References

https://support.apple.com/en-us/126353

https://support.apple.com/en-us/126350

https://support.apple.com/en-us/126349

https://support.apple.com/en-us/126348

https://support.apple.com/en-us/126347

https://support.apple.com/en-us/126346

Details

Source: Mitre, NVD

Published: 2026-02-11

Updated: 2026-04-02

Risk Information

CVSS v2

Base Score: 4.6

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

Severity: Medium

CVSS v3

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.00024