CVE-2026-20676

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

11/02/2026

Last modified:

02/04/2026

Description

This issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A website may be able to track users through Safari web extensions.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x

5.30

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apple:safari::::::::		26.3 (excluding)
cpe:2.3:o:apple:ipados::::::::		26.3 (excluding)
cpe:2.3:o:apple:iphone_os::::::::		26.3 (excluding)
cpe:2.3:o:apple:macos::::::::		26.3 (excluding)
cpe:2.3:o:apple:visionos::::::::		26.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-20676

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools