CVE-2026-20654 — MEDIUM (5.5)

Q: How severe is CVE-2026-20654?

CVE-2026-20654 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-20654?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Visionos.

Vulnerability Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Apple	Ipados	< 26.3
Apple	Iphone Os	< 26.3
Apple	Macos	< 26.3
Apple	Tvos	< 26.3
Apple	Visionos	< 26.3
Apple	Watchos	< 26.3

Related Weaknesses (CWE)

CWE-119

References

https://support.apple.com/en-us/126346Release NotesVendor Advisory
https://support.apple.com/en-us/126348Release NotesVendor Advisory
https://support.apple.com/en-us/126351Release NotesVendor Advisory
https://support.apple.com/en-us/126352Release NotesVendor Advisory
https://support.apple.com/en-us/126353Release NotesVendor Advisory

FAQ

What is CVE-2026-20654?

CVE-2026-20654 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The issue was addressed with improved memory handling. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected...

How severe is CVE-2026-20654?

CVE-2026-20654 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20654?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Visionos.