CVE-2026-54123: medium-severity vulnerability in Microsoft Defender for Endpoint for Mac
Microsoft Defender for Endpoint for Mac Information Disclosure Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.5%
Exposure of sensitive information to an unauthorized actor in Microsoft Defender for Endpoint allows an authorized attacker to disclose information locally.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Defender for Endpoint for MacRelated CVEs — Microsoft Defender for Endpoint for Mac
In the same product, most dangerous first.
CVE-2022-23278MEDIUMMicrosoft Defender for Endpoint Spoofing VulnerabilityEPSS 1.9%CVE-2022-35828HIGHMicrosoft Defender for Endpoint for Mac Elevation of Privilege VulnerabilityEPSS 0.5%CVE-2026-50657MEDIUMMicrosoft Defender for Endpoint for Mac Information Disclosure VulnerabilityEPSS 0.4%CVE-2026-56178MEDIUMMicrosoft Defender for Endpoint for Mac Elevation of Privilege VulnerabilityEPSS 0.2%CVE-2026-45647MEDIUMMicrosoft Defender for Endpoint for Mac Elevation of Privilege VulnerabilityEPSS 0.2%CVE-2026-50658HIGHMicrosoft Defender for Endpoint for Mac Elevation of Privilege VulnerabilityEPSS 0.2%