Apple macOS DoS via Input Validation Bug in Sonoma 14.8.3/Sequoia 15.7.3
CVE-2025-43482 Published on December 12, 2025
The issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.2, macOS Sequoia 15.7.3, macOS Sonoma 14.8.3. An app may be able to cause a denial-of-service.
Vulnerability Analysis
CVE-2025-43482 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2025-43482
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Affected Versions
Apple macOS:- Version unspecified and below 14.8 is affected.
- Version unspecified and below 15.7 is affected.
- Version unspecified and below 26.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.