CVE-2026-43776

What it is

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

At a glance

Exploitability

Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-07-27 21:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-08-17 22:17 UTC Last updatedMost recent change to the record

Details

Published

2026-07-27 21:17 UTC

Last modified

2026-08-17 22:17 UTC

Exploit probability

0.2% · EPSS, next 30 days

Weakness

CWE-120 · Classic buffer overflow

Record status

Modified

Affected

• Apple Ipados < 26.6
• Apple Iphone Os < 26.6
• Apple macOS < 15.7.8
• Apple macOS < 26.6

Attack profile CVSS 3.1 · 7.8

Attack vector

Local

Complexity

Low

Privileges needed

None

User interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High