Man-in-the-Middle (MitM) attack in macOS - CVE-2026-28865
Published: March 25, 2026
Vulnerability identifier: #VU124335
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-28865
CWE-ID: CWE-300
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to an error in the 802.1X protocol implementation when handling authentication requests. A remote attacker on the local network can intercept sensitive information.
How to mitigate CVE-2026-28865
Install update from vendor's website.