CVE-2026-43753 — MEDIUM (4.6)

Q: How severe is CVE-2026-43753?

CVE-2026-43753 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-43753?

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 read was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An attacker with physical access to a locked device may be able to view sensitive user information.

CVSS Score

4.6

MEDIUM

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

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Apple	Ipados	< 26.6
Apple	Iphone Os	< 26.6
Apple	Macos	>= 14.0, < 14.8.8

Related Weaknesses (CWE)

CWE-125

References

https://support.apple.com/en-us/128066Release NotesVendor Advisory
https://support.apple.com/en-us/128067Release NotesVendor Advisory
https://support.apple.com/en-us/128071Release NotesVendor Advisory
https://support.apple.com/en-us/128072Release NotesVendor Advisory

FAQ

What is CVE-2026-43753?

CVE-2026-43753 is a vulnerability with a CVSS score of 4.6 (MEDIUM). An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An attacker with physic...

How severe is CVE-2026-43753?

CVE-2026-43753 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-43753?

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