CVE-2025-43300
CVSS v3
10
CRITICAL
EPSS Score
0.7 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.
CISA Known Exploited Vulnerability
- Date Added
- 2025-08-21
- Patch Due Date
- 2025-09-11
- Ransomware Use
- Unknown
Technical details
- Published
- 2025-08-21
Frequently asked questions
What is CVE-2025-43300?
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.
Is CVE-2025-43300 actively exploited?
Yes. CVE-2025-43300 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-09-11.
What is the CVSS score for CVE-2025-43300?
CVE-2025-43300 has a CVSS v3 base score of 10 (CRITICAL severity).
Is CVE-2025-43300 affecting your environment?
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