CVE-2025-46299
Apple Safari Memory Initialization Information Disclosure
Description
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.
INFO
Published Date :
Jan. 9, 2026, 10:15 p.m.
Last Modified :
Jan. 14, 2026, 5:45 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-46299
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update tvOS to version 26.2.
- Update Safari to version 26.2.
- Update watchOS to version 26.2.
- Update visionOS to version 26.2.
Public PoC/Exploit Available at Github
CVE-2025-46299 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-46299.
| URL | Resource |
|---|---|
| https://support.apple.com/en-us/125884 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/125886 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/125889 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/125890 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/125891 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/125892 | Release Notes Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-46299 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-46299
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Python
Community reconstruction of the legacy JSON NVD Data Feeds. This project uses and redistributes data from the NVD API but is neither endorsed nor certified by the NVD.
Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-46299 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-46299 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 14, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 26.2 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 26.2 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 26.2 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 26.2 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 26.2 *cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* versions up to (excluding) 26.2 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 26.2 Added Reference Type Apple Inc.: https://support.apple.com/en-us/125884 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/125886 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/125889 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/125890 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/125891 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/125892 Types: Release Notes, Vendor Advisory -
New CVE Received by [email protected]
Jan. 09, 2026
Action Type Old Value New Value Added Description 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. Added Reference https://support.apple.com/en-us/125884 Added Reference https://support.apple.com/en-us/125886 Added Reference https://support.apple.com/en-us/125889 Added Reference https://support.apple.com/en-us/125890 Added Reference https://support.apple.com/en-us/125891 Added Reference https://support.apple.com/en-us/125892 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 09, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N Added CWE CWE-284