CVE-2026-54123
Microsoft Defender for Endpoint for Mac Information Disclosure vulnerability
MSRC advisory August 11, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-54123
- Affected products
- Microsoft Defender for Endpoint for Mac Information Disclosure · Microsoft Microsoft Defender for Endpoint for Mac Information Disclosure · Microsoft
What happened
Exposure of sensitive information to an unauthorized actor in Microsoft Defender for Endpoint allows an authorized attacker to disclose information locally.
What it means for your business
Microsoft Defender for Endpoint for Mac Information Disclosure vulnerability (CVE-2026-54123) was added to Microsoft’s security update guidance. Exposure of sensitive information to an unauthorized actor in Microsoft Defender for Endpoint allows an authorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Sources
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