CVE-2026-28819 — MEDIUM (5.4)

Q: How severe is CVE-2026-28819?

CVE-2026-28819 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-28819?

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

Vulnerability Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to execute arbitrary code with kernel privileges.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Apple	Ipados	< 18.7.9
Apple	Iphone Os	< 18.7.9
Apple	Macos	>= 14.0, < 14.8.7

Related Weaknesses (CWE)

CWE-787

References

https://support.apple.com/en-us/127111Release NotesVendor Advisory
https://support.apple.com/en-us/127115Release NotesVendor Advisory
https://support.apple.com/en-us/127116Release NotesVendor Advisory
https://support.apple.com/en-us/127117Release NotesVendor Advisory

FAQ

What is CVE-2026-28819?

CVE-2026-28819 is a vulnerability with a CVSS score of 5.4 (MEDIUM). An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may b...

How severe is CVE-2026-28819?

CVE-2026-28819 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-28819?

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