CVE-2025-43520

Dec. 16, 2025, 8:58 p.m.

7.1
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.

Product(s) Impacted

Vendor Product Versions
Apple
  • Ipados
  • Iphone Os
  • Macos
  • Tvos
  • Visionos
  • Watchos
  • *
  • *
  • *
  • *
  • *
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o apple ipados / / / / / / / /
o apple ipados / / / / / / / /
o apple iphone_os / / / / / / / /
o apple iphone_os / / / / / / / /
o apple macos / / / / / / / /
o apple macos / / / / / / / /
o apple macos / / / / / / / /
o apple tvos / / / / / / / /
o apple visionos / / / / / / / /
o apple watchos / / / / / / / /

CVSS Score

7.1 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

    View Vector String

Timeline

Published: Dec. 12, 2025, 9:15 p.m.
Last Modified: Dec. 16, 2025, 8:58 p.m.

Status : Analyzed

CVE has had analysis completed and all data associations made.

More info

Source

product-security@apple.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.