Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2026-20691

An authorization issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4, watchOS 26.4. A maliciously crafted webpage may be able to fingerprint the user.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.3, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, for affected systems. Impacting 6 products from apple, from apple, from apple and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2026-03-25T01:17:05.910

Last Modified

2026-03-25T20:52:59.450

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

Weaknesses

Type: Secondary
CWE-497

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apple	safari	< 26.4	Yes
Operating System	apple	ipados	< 26.4	Yes
Operating System	apple	iphone_os	< 26.4	Yes
Operating System	apple	macos	< 26.4	Yes
Operating System	apple	visionos	< 26.4	Yes
Operating System	apple	watchos	< 26.4	Yes

References

https://support.apple.com/en-us/126792 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/126794 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/126798 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/126799 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/126800 Release Notes, Vendor Advisory ([email protected])

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apple's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.