VDB-337056 · CVE-2025-43533 · EUVD-2025-203980

Apple tvOS/iOS/iPadOS/visionOS/macOS/watchOS up to 26.1 HID Device memory corruption

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.
4.9	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Apple tvOS, iOS, iPadOS, visionOS, macOS and watchOS up to 26.1. It has been declared as critical. Impacted is an unknown function of the component HID Device Handler. The manipulation results in memory corruption. This vulnerability is identified as CVE-2025-43533. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple tvOS, iOS, iPadOS, visionOS, macOS and watchOS up to 26.1. It has been classified as critical. Affected is some unknown processing of the component HID Device Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in watchOS 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. A malicious HID device may cause an unexpected process crash.

The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2025-43533 since 04/16/2025. 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. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 03/25/2026).

The vulnerability scanner Nessus provides a plugin with the ID 298658 (macOS 14.x < 14.8.4 Multiple Vulnerabilities (126350)), 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 (298658), EUVD (EUVD-2025-203980) and CERT Bund (WID-SEC-2026-0403). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

Apple macOS

Productinfo

Type

Digital Media Player

Vendor

Apple

Name

Version

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

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

ADP CISA Base Score: 5.7
ADP CISA Vector: 🔒

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 298658
Nessus Name: macOS 14.x < 14.8.4 Multiple Vulnerabilities (126350)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

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

Timelineinfo

04/16/2025 CVE reserved
12/17/2025 +245 days Advisory disclosed
12/17/2025 +0 days VulDB entry created
03/25/2026 +98 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2025-43533 (🔒)
GCVE (CVE): GCVE-0-2025-43533
GCVE (VulDB): GCVE-100-337056
EUVD: 🔒
CERT Bund: WID-SEC-2026-0403 - Apple macOS Tahoe, Sequoia und Sonoma: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 12/17/2025 22:18
Updated: 03/25/2026 08:11
Changes: 12/17/2025 22:18 (57), 12/17/2025 23:18 (1), 02/16/2026 15:08 (2), 03/13/2026 22:54 (11), 03/25/2026 08:11 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.