Apple Safari/macOS/visionOS/iOS/iPadOS up to 26.2 Web state issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple Safari, macOS, visionOS, iOS and iPadOS up to 26.2. This vulnerability affects unknown code of the component Web Handler. The manipulation leads to state issue. This vulnerability is traded as CVE-2026-20608. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Safari, macOS, visionOS, iOS and iPadOS up to 26.2. It has been rated as problematic. This issue affects an unknown functionality of the component Web Handler. The manipulation with an unknown input leads to a state issue vulnerability. Using CWE to declare the problem leads to CWE-371. Impacted is availability. The summary by CVE is:

This issue was addressed through improved state management. This issue is fixed in macOS Tahoe 26.3, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3, Safari 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.

The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2026-20608 since 11/11/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/22/2026).

The vulnerability scanner Nessus provides a plugin with the ID 303253 (Debian dsa-6172 : gir1.2-javascriptcoregtk-4.0 - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 26.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (303253). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

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

ADP CISA Base Score: 5.5
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: State issue
CWE: CWE-371
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 303253
Nessus Name: Debian dsa-6172 : gir1.2-javascriptcoregtk-4.0 - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Safari/macOS/visionOS/iOS/iPadOS 26.3

Timelineinfo

11/11/2025 CVE reserved
02/12/2026 +93 days Advisory disclosed
02/12/2026 +0 days VulDB entry created
03/22/2026 +38 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2026-20608 (🔒)
GCVE (CVE): GCVE-0-2026-20608
GCVE (VulDB): GCVE-100-345689
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 02/12/2026 06:36
Updated: 03/22/2026 18:37
Changes: 02/12/2026 06:36 (56), 02/14/2026 10:04 (11), 03/22/2026 18:37 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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