CVE-2025-43520

high

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in watchOS 26.1, iOS 18.7.2 and iPadOS 18.7.2, macOS Tahoe 26.1, visionOS 26.1, tvOS 26.1, macOS Sonoma 14.8.2, macOS Sequoia 15.7.2, iOS 26.1 and iPadOS 26.1. A malicious application may be able to cause unexpected system termination or write kernel memory.

References

https://support.apple.com/en-us/125639

https://support.apple.com/en-us/125638

https://support.apple.com/en-us/125637

https://support.apple.com/en-us/125636

https://support.apple.com/en-us/125635

https://support.apple.com/en-us/125634

https://support.apple.com/en-us/125633

https://support.apple.com/en-us/125632

Details

Source: Mitre, NVD

Published: 2025-12-12

Updated: 2025-12-16

Risk Information

CVSS v2

Base Score: 6.2

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.1

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

Severity: High

EPSS

EPSS: 0.00024