CVE-2026-43729: The issue was addressed with improved memory handling

High severity · published Jul 27, 2026

CVE-2026-43729

The issue was addressed with improved memory handling

7.8

CVSS

0.2%

EPSS

On KEV

Description

The issue was addressed with improved memory handling. 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, tvOS 26.6, visionOS 26.6. Processing a maliciously crafted image may corrupt process memory.

CVSS vector

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

Attack vector

Local

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 7% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

macOS · Apple

before 15.7.8; before 26.6 · source: vendor, NVD

iOS · Apple

before 26.6 · source: NVD

iOS and iPadOS · Apple

before 18.7.10; before 26.6 · source: vendor

tvOS · Apple

before 26.6 · source: vendor, NVD

visionOS · Apple

before 26.6 · source: vendor, NVD

In the news

VulnerabilityHigh

ZDI-26-494: Apple macOS USD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Apple macOS. Interaction with the USD library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-43729.

CVE-2026-43729

Jul 29, 2026·Zero Day Initiative

Affected product

macOS

Apple

All macOS CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-43729

CVE.org

https://www.cve.org/CVERecord?id=CVE-2026-43729

Release Notes