March 20, 2026 · Applied Cybernetics Group
CVE-2025-43520 — Apple Multiple Products
Apple Multiple Products Classic Buffer Overflow Vulnerability
- Added to KEV
2026-03-20- Federal due date
2026-04-03- Vendor
- Apple
- Product
- Multiple Products
- EPSS
- 32.9th percentile (score 0.004, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2025-43520
CISA short 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.