CVE Watch—

CVE-2025-43520

Apple Multiple Products Classic Buffer Overflow Vulnerability

CVSS

—

No CVSS

EPSS

0.4%

p33

KEV

YES

Mar 20, 2026

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

0.4%EPSS · 30 days0.4%

2026-06-302026-07-17

KEV catalog record

Product

Apple / Multiple Products

Vulnerability

Apple Multiple Products Classic Buffer Overflow Vulnerability

Added to KEV

Mar 20, 2026

Remediate by

Apr 3, 2026

Known ransomware use

Summary description

Apple watchOS, iOS, iPadOS, macOS, visionOS, and tvOS contain a classic buffer overflow vulnerability which could allow a malicious application to cause unexpected system termination or write kernel memory.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://support.apple.com/en-us/125632 ; https://support.apple.com/en-us/125633 ; https://support.apple.com/en-us/125634 ; https://support.apple.com/en-us/125635 ; https://support.apple.com/en-us/125636 ; https://support.apple.com/en-us/125637 ; https://support.apple.com/en-us/125638 ; https://support.apple.com/en-us/125639 ; https://nvd.nist.gov/vuln/detail/CVE-2025-43520

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