Apple tvOS/Safari/iOS/iPadOS/visionOS/macOS/watchOS up to 26.1 Web initialization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$5k-$25k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apple tvOS, Safari, iOS, iPadOS, visionOS, macOS and watchOS up to 26.1. Affected by this vulnerability is an unknown functionality of the component Web Handler. The manipulation results in initialization. This vulnerability is reported as CVE-2025-46299. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Apple tvOS, Safari, iOS, iPadOS, visionOS, macOS and watchOS up to 26.1. Affected is an unknown functionality of the component Web Handler. The manipulation with an unknown input leads to a initialization vulnerability. CWE is classifying the issue as CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. This is going to have an impact on confidentiality. CVE summarizes:

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.

The advisory is available at support.apple.com. This vulnerability is traded as CVE-2025-46299 since 04/22/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/01/2026).

The vulnerability scanner Nessus provides a plugin with the ID 304374 (SUSE SLES12 Security Update : webkit2gtk3 (SUSE-SU-2026:1139-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 26.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (304374) and EUVD (EUVD-2025-206268). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Initialization
CWE: CWE-665
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 304374
Nessus Name: SUSE SLES12 Security Update : webkit2gtk3 (SUSE-SU-2026:1139-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: tvOS/Safari/iOS/iPadOS/visionOS/macOS/watchOS 26.2

Timelineinfo

04/22/2025 CVE reserved
01/09/2026 +262 days Advisory disclosed
01/09/2026 +0 days VulDB entry created
04/01/2026 +82 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2025-46299 (🔒)
GCVE (CVE): GCVE-0-2025-46299
GCVE (VulDB): GCVE-100-340362
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 01/09/2026 22:53
Updated: 04/01/2026 05:05
Changes: 01/09/2026 22:53 (55), 01/09/2026 22:54 (2), 01/10/2026 07:35 (1), 04/01/2026 05:05 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!