CVE-2026-66301
Microsoft Dynamics 365 (On-Premises) Information Disclosure vulnerability
MSRC advisory August 11, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-66301
- Affected products
- Microsoft Dynamics 365 (On-Premises) Information Disclosure · Microsoft Microsoft Dynamics 365 (On-Premises) Information Disclosure · Microsoft
What happened
Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information over a network.
What it means for your business
Microsoft Dynamics 365 (On-Premises) Information Disclosure vulnerability (CVE-2026-66301) was added to Microsoft’s security update guidance. Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information over a network. If you need help checking exposure, call (864) 335-9223.
Sources
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