VulnerabilityALERT High

CVE-2025-43520: Apple Multiple Products Classic Buffer Overflow Vulnerability

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.

Impact

CISA lists CVE-2025-43520 as known exploited in the wild for Apple Multiple Products. Ransomware campaign use: Unknown. Federal remediation due date: 2026-04-03.

Recommended 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.

Published: 3/20/2026, 12:00:00 AMSource: CISA Known Exploited Vulnerabilities CatalogTags: CVE-2025-43520, Apple, Multiple Products, CISA KEV, CWE-120