PT-2026-39784 · Apple · Macos Sonoma+8

Brendon Tiszka · Published 2026-05-11 · Updated 2026-05-13 · CVE-2026-28920

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions iOS versions prior to 18.7.9 iOS versions prior to 26.5 iPadOS versions prior to 18.7.9 iPadOS versions prior to 26.5 macOS Sequoia versions prior to 15.7.7 macOS Sonoma versions prior to 14.8.7 macOS Tahoe versions prior to 26.5 tvOS versions prior to 26.5 visionOS versions prior to 26.5 watchOS versions prior to 26.5

Description An information leakage issue exists where visiting a maliciously crafted website may lead to the exposure of sensitive data. This occurs due to insufficient validation.

Recommendations Update iOS to version 18.7.9 or 26.5. Update iPadOS to version 18.7.9 or 26.5. Update macOS Sequoia to version 15.7.7. Update macOS Sonoma to version 14.8.7. Update macOS Tahoe to version 26.5. Update tvOS to version 26.5. Update visionOS to version 26.5. Update watchOS to version 26.5.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2026-28920

Affected Products

Apple Macos

Ios

Ipados

Macos Sequoia

Macos Sonoma

Macos Tahoe

Tvos

Visionos

Watchos

References · 11

• https://support.apple.com/en-us/127120 · Vendor Advisory
• https://support.apple.com/en-us/127110 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-28920 · Security Note
• https://support.apple.com/en-us/127118 · Vendor Advisory
• https://support.apple.com/en-us/127115 · Vendor Advisory
• https://support.apple.com/en-us/127111 · Vendor Advisory
• https://support.apple.com/en-us/127117 · Vendor Advisory
• https://support.apple.com/en-us/127116 · Vendor Advisory
• https://support.apple.com/en-us/127119 · Vendor Advisory
• https://twitter.com/ifsecure/status/2054495074696786365 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-28920 · Note