CVE-2026-28839 — Improper Authorization in Apple Macos
Severity
5.3MEDIUMNVD
EPSS
0.0%
top 88.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 25
Description
The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4
Affected Packages2 packages
🔴Vulnerability Details
2📋Vendor Advisories
1Red Hat▶
GStreamer: GStreamer: Arbitrary code execution via H.266 codec parsing stack-based buffer overflow↗2026-03-13