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CVE-2025-43300: Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
Apple iOS, iPadOS, and macOS · in CISA KEV since 2025-08-21
2025-08-21added to KEV
2025-09-11federal remediation due date
21.99%EPSS exploit probability (30 days) 97.6th percentile
10 CRITICALCVSS 3.1
Unknownknown ransomware use
0days from NVD publication to KEV
What it is
Apple iOS, iPadOS, and macOS contain an out-of-bounds write vulnerability in the Image I/O framework.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-787 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD published | 2025-08-21 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2025-43300.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.