PT-2026-27544 · Apple+3 · Ios+9

Published 2026-03-24 · Updated 2026-05-19 · CVE-2026-20691

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Safari versions prior to 26.4 iOS versions prior to 26.4 iPadOS versions prior to 26.4 macOS Tahoe versions prior to 26.4 visionOS versions prior to 26.4 watchOS versions prior to 26.4

Description An authorization issue existed due to improved state management. A specially crafted webpage could potentially fingerprint the user.

Recommendations Update Safari to version 26.4. Update iOS to version 26.4. Update iPadOS to version 26.4. Update macOS Tahoe to version 26.4. Update visionOS to version 26.4. Update watchOS to version 26.4.

Fix

Weakness Enumeration

CWE-497

Related Identifiers

ALSA-2026:10702

ALSA-2026:19206

ALSA-2026:9692

CVE-2026-20691

OPENSUSE-SU-2026:20518-1

RHSA-2026:10702

RHSA-2026:11329

RHSA-2026:11814

RHSA-2026:13845

RHSA-2026:14659

RHSA-2026:9692

SUSE-SU-2026:1364-1

SUSE-SU-2026:21180-1

USN-8237-1

Affected Products

Linuxmint

Apple Macos

Rocky Linux

Safari

Ubuntu

Ios

Ipados

Macos Tahoe

Visionos

Watchos

References · 139

• https://ubuntu.com/security/CVE-2026-20644 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-20643 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-28871 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:9692 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:21180-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-20676 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:10702 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-28859 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2026-9692.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1364-1 · Vendor Advisory
• https://support.apple.com/en-us/126794 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-20664 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8237-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-43511 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-46299 · Vendor Advisory