Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-20698 Details

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or corrupt kernel memory.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA: CISA-ADPCVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://support.apple.com/en-us/126792 [email protected]Release NotesVendor Advisory
https://support.apple.com/en-us/126794 [email protected]Release NotesVendor Advisory
https://support.apple.com/en-us/126797 [email protected]Release NotesVendor Advisory
https://support.apple.com/en-us/126798 [email protected]Release NotesVendor Advisory
https://support.apple.com/en-us/126799 [email protected]Release NotesVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]
CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferCISA-ADP

Affected Products

ProductVersions

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-20698
NVD Published Date:
Mar 25, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-20698 Details - Not Deferred