Memory init leak in Safari 26.2 on Apple iOS/watchOS/etc. (CVE-2025-46299)
CVE-2025-46299 Published on January 9, 2026
A memory initialization issue was addressed with improved memory handling. This issue is fixed in tvOS 26.2, Safari 26.2, watchOS 26.2, visionOS 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2. Processing maliciously crafted web content may disclose internal states of the app.
Vulnerability Analysis
CVE-2025-46299 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2025-46299 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2025-46299
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Affected Versions
Apple tvOS:- Version unspecified and below 26.2 is affected.
- Version unspecified and below 26.2 is affected.
- Version unspecified and below 26.2 is affected.
- Version unspecified and below 26.2 is affected.
- Version unspecified and below 26.2 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.