PT-2026-39763 · Apple · Macos Tahoe+2

Alex Radocea + 2 · Published 2026-05-11 · Updated 2026-05-29 · CVE-2026-28848

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS Sequoia versions prior to 15.7.7 macOS Tahoe versions prior to 26.5

Description A buffer overflow, which occurs when data exceeds the allocated memory boundary, was addressed with improved bounds checking. A remote attacker may be able to cause unexpected system termination.

Recommendations Update macOS Sequoia to version 15.7.7. Update macOS Tahoe to version 26.5.

Fix

DoS

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

CVE-2026-28848

Affected Products

Apple Macos

Macos Sequoia

Macos Tahoe

References · 6

• https://support.apple.com/en-us/127115 · Vendor Advisory
• https://support.apple.com/en-us/127116 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-28848 · Security Note
• https://twitter.com/vuldb/status/2054017270914175212 · Twitter Post
• https://twitter.com/defendtheworld/status/2060507519202828375 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-28848 · Note