macOS Tahoe Temporary File Handling Flaw Exposes Sensitive Data (26.2)
CVE-2026-20618 Published on February 11, 2026
An issue was addressed with improved handling of temporary files. This issue is fixed in macOS Tahoe 26.3. An app may be able to access user-sensitive data.
Vulnerability Analysis
CVE-2026-20618 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 a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Insecure Temporary File
Creating and using insecure temporary files can leave application and system data vulnerable to attack.
Products Associated with CVE-2026-20618
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Affected Versions
Apple macOS:- Version unspecified and below 26.3 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.