PT-2026-27597 · Apple · Macos Sequoia+6

Rosyna Keller · Published 2026-03-24 · Updated 2026-05-11 · CVE-2026-28877

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/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 26.4 iPadOS versions prior to 26.4 macOS Sequoia versions prior to 15.7.5 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, potentially allowing an application to access sensitive user data. The issue involved leaking the real, user-set device name without requiring the proper entitlement.

Recommendations Update iOS to version 26.4. Update iPadOS to version 26.4. Update macOS Sequoia to version 15.7.5. Update macOS Tahoe to version 26.4. Update visionOS to version 26.4. Update watchOS to version 26.4.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2026-28877

Affected Products

Apple Macos

Ios

Ipados

Macos Sequoia

Macos Tahoe

Visionos

Watchos

References · 11

• https://support.apple.com/en-us/126798 · Vendor Advisory
• https://support.apple.com/en-us/126799 · Vendor Advisory
• https://support.apple.com/en-us/126795 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-28877 · Security Note
• https://support.apple.com/en-us/126794 · Vendor Advisory
• https://support.apple.com/en-us/126792 · Vendor Advisory
• https://support.apple.com/en-us/127111 · Note
• https://twitter.com/rosyna/status/2036627213051961757 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-28877 · Note
• https://support.apple.com/en-us/126796 · Note
• https://t.me/cveNotify/163116 · Telegram Post