CVE-2026-28894 — HIGH (7.5)

Q: How severe is CVE-2026-28894?

CVE-2026-28894 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-28894?

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

Vulnerability Description

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A remote attacker may be able to cause a denial-of-service.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Apple	Ipados	< 26.4
Apple	Iphone Os	< 26.4
Apple	Macos	>= 14.0, < 14.8.5

Related Weaknesses (CWE)

CWE-20

References

https://support.apple.com/en-us/126792Release NotesVendor Advisory
https://support.apple.com/en-us/126794Release NotesVendor Advisory
https://support.apple.com/en-us/126795Release NotesVendor Advisory
https://support.apple.com/en-us/126796Release NotesVendor Advisory

FAQ

What is CVE-2026-28894?

CVE-2026-28894 is a vulnerability with a CVSS score of 7.5 (HIGH). A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A remote attacker ...

How severe is CVE-2026-28894?

CVE-2026-28894 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-28894?

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