PT-2026-39779 · Apple · Macos Tahoe+1

Andreas Jaegersberger + 1 · Published 2026-05-11 · Updated 2026-05-14 · CVE-2026-28914

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description A logic issue involving file handling allows a maliciously crafted ZIP archive to bypass Gatekeeper checks. Gatekeeper is a security feature that ensures only trusted software runs on the system.

Recommendations Update to macOS Tahoe 26.5.

Fix

Improperly Implemented Security Check for Standard

Protection Mechanism Failure

Weakness Enumeration

CWE-358

CWE-693

Related Identifiers

CVE-2026-28914

Affected Products

Apple Macos

Macos Tahoe

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-28914 · Security Note
• https://support.apple.com/en-us/127115 · Vendor Advisory
• https://t.me/cveNotify/163451 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-28914 · Note