Improper access control in macOS - CVE-2026-28900
Published: August 17, 2026
Vulnerability identifier: #VU143798
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-28900
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper access control in libarchive when parsing input. A remote attacker can supply crafted input to disclose sensitive information.
Affected software
macOS
How to mitigate CVE-2026-28900
Install update from vendor's website.
macOS - addressed in versions 15.7.8 24G824, 14.8.8 23J620