PT-2026-27607 · Apple · Macos Sequoia+3

Published 2026-03-24 · Updated 2026-04-04 · CVE-2026-28891

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS Sequoia versions prior to 15.7.5 macOS Sonoma versions prior to 14.8.5 macOS Tahoe versions prior to 26.4

Description A race condition existed that was addressed through added validation. This allowed an application to potentially escape its sandbox.

Recommendations Update macOS to version 15.7.5. Update macOS to version 14.8.5. Update macOS to version 26.4.

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

BDU:2026-05196

CVE-2026-28891

Affected Products

Apple Macos

Macos Sequoia

Macos Sonoma

Macos Tahoe

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-28891 · Security Note
• https://support.apple.com/en-us/126795 · Vendor Advisory
• https://support.apple.com/en-us/126794 · Vendor Advisory
• https://support.apple.com/en-us/126796 · Vendor Advisory
• https://cve.org/CVERecord?idCVE-2026-28891 · Security Note
• https://bdu.fstec.ru/vul/2026-05196 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/730326 · Security Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-28891 · Note
• https://twitter.com/CVEarity/status/2040321976888430698 · Twitter Post