Apple watchOS up to 8.5.1 WebKit 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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Apple watchOS up to 8.5.1. It has been classified as critical. This vulnerability affects unknown code of the component WebKit. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2022-26719. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple watchOS up to 8.5.1 (Smartwatch Operating System) and classified as critical. This issue affects an unknown code block of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was presented 05/16/2022 by Dongzhuo Zhao with ADLab as HT213253 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2022-26719. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:

Processing maliciously crafted web content may lead to arbitrary code execution

Upgrading to version 8.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A memory corruption issue was addressed with improved state management.

The vulnerability is also documented in the databases at EUVD (EUVD-2022-31269) and CERT Bund (WID-SEC-2022-2044). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

Amazon Linux 2
Red Hat Enterprise Linux
Oracle Linux
Red Hat OpenShift
Gentoo Linux
RESF Rocky Linux

Productinfo

Type

Smartwatch Operating System

Vendor

Apple

Name

watchOS

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: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: watchOS 8.6

Timelineinfo

03/08/2022 🔍
05/16/2022 +68 days 🔍
05/16/2022 +0 days 🔍
05/17/2022 +1 days 🔍
05/12/2026 +1456 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213253
Researcher: Dongzhuo Zhao
Organization: ADLab
Status: Confirmed

CVE: CVE-2022-26719 (🔍)
GCVE (CVE): GCVE-0-2022-26719
GCVE (VulDB): GCVE-100-200093
EUVD: 🔍
CERT Bund: WID-SEC-2022-2044 - Red Hat Enterprise Linux: Mehrere Schwachstellen

Entryinfo

Created: 05/17/2022 18:54
Updated: 05/12/2026 13:03
Changes: 05/17/2022 18:54 (18), 05/17/2022 18:57 (29), 05/24/2022 11:15 (1), 11/30/2025 09:16 (21), 05/12/2026 13:03 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.