CVE-2025-46299

Name: CVE-2025-46299
Creator: NVD / NIST
Published: 2026-01-09T22:15:59.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2025-46299 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A memory initialization issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may disclose internal states of the app.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS Probability

0.27%

17.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Apple	Safari	< 26.2
Apple	Ipados	< 26.2
Apple	Iphone Os	< 26.2
Apple	Macos	< 26.2
Apple	Tvos	< 26.2
Apple	Visionos	< 26.2
Apple	Watchos	< 26.2

References

https://support.apple.com/en-us/125884Release Notes, Vendor Advisory
https://support.apple.com/en-us/125886Release Notes, Vendor Advisory
https://support.apple.com/en-us/125889Release Notes, Vendor Advisory
https://support.apple.com/en-us/125890Release Notes, Vendor Advisory
https://support.apple.com/en-us/125891Release Notes, Vendor Advisory
https://support.apple.com/en-us/125892Release Notes, Vendor Advisory

Timeline

Published: Jan 9, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-46299?

How severe is CVE-2025-46299?

CVE-2025-46299 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2025-46299?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-46299?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST