Home / Vulnerabilities / CVE-2025-43300
CRITICAL SEVERITY
CVE-2025-43300 Apple · iOS, iPadOS, and macOS

Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL
10 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

0.97 %
Predictive Probability
Percentile Rank
76.2 th

Documented as more likely to be exploited than 76.2% of known CVEs.

Detection Date

Aug 21, 2025

Remediation Due

Sep 11, 2025

CISA Catalog Active

Threat Analysis

Apple iOS, iPadOS, and macOS contain an out-of-bounds write vulnerability in the Image I/O framework.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence

https://support.apple.com/en-us/124925

https://support.apple.com/en-us/124925

https://support.apple.com/en-us/124926

https://support.apple.com/en-us/124926

https://support.apple.com/en-us/124927

https://support.apple.com/en-us/124927

https://support.apple.com/en-us/124928

https://support.apple.com/en-us/124928

https://support.apple.com/en-us/124929

https://support.apple.com/en-us/124929
NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2025-43300