August 21, 2025 · Applied Cybernetics Group
CVE-2025-43300 — Apple iOS, iPadOS, and macOS
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
- Added to KEV
2025-08-21- Federal due date
2025-09-11- Vendor
- Apple
- Product
- iOS, iPadOS, and macOS
- EPSS
- 97.1th percentile (score 0.200, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2025-43300
CISA short description
Apple iOS, iPadOS, and macOS contain an out-of-bounds write vulnerability in the Image I/O framework.
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.