CVE-2025-43520 — Actively Exploited: Multiple Products (Apple)
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.
| CVE ID | CVE-2025-43520 |
|---|---|
| Vendor | Apple |
| Product | Multiple Products |
| Vulnerability name | Apple Multiple Products Classic Buffer Overflow Vulnerability |
| Date added | 2026-03-20 |
| Remediation due | 2026-04-03 |
| Known ransomware use | Unknown |
| 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. |
| 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. |
| Source | CISA Known Exploited Vulnerabilities |
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