CVE-2026-66301
A remote, authenticated attacker can exploit multiple vulnerabilities in Microsoft Dynamics 365 to execute arbitrary code or disclose confidential information.
CSIRTS triage
- What
- Multiple vulnerabilities in Microsoft Dynamics 365 enable arbitrary code execution and information disclosure.
- Who is affected
- Authenticated users of Dynamics 365 can exploit these vulnerabilities.
- Urgency
- High priority due to severity; requires authenticated access but enables code execution.
- Action
- Apply Microsoft security patches for Dynamics 365 immediately.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.68% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 49% of all EPSS-scored CVEs.
Advisory coverage (3)
- high[NEW] [high] Microsoft Dynamics: Multiple vulnerabilitiescert-bund · 2026-08-14
- mediumCVE-2026-66301: Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premi…nvd · 2026-08-11
- mediumCVE-2026-66301: Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerabilitymsrc · 2026-08-11
External references
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