← Back to CVEs

CVE-2026-20687

HIGH

7.1

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or write kernel memory.

CVE Details

CVSS v3.1 Score7.1

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published3/25/2026

Last Modified3/25/2026

Sourcenvd

Honeypot Sightings0

Affected Products

apple:ipadosapple:iphone_osapple:macosapple:tvosapple:watchos

Weaknesses (CWE)

CWE-416

References

https://support.apple.com/en-us/126792(product-security@apple.com)

https://support.apple.com/en-us/126793(product-security@apple.com)

https://support.apple.com/en-us/126794(product-security@apple.com)

https://support.apple.com/en-us/126795(product-security@apple.com)

https://support.apple.com/en-us/126797(product-security@apple.com)

https://support.apple.com/en-us/126798(product-security@apple.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.