PatchTheCVEdynamics 365 vulnerabilities and fixes
Recent CVEs affecting dynamics 365, with upgrade or downgrade steps. 2 tracked.
Also searched as: dynamics365.
dynamics 365 has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-08-11. Highest priority: CVE-2026-65815 (score 55/100).
- CVE-2026-65815 HIGH 8.8 UPGRADE Deserialization of untrusted data in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to exe
- CVE-2026-66301 MEDIUM 6.5 UPGRADE Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an a
FAQ
How do I fix dynamics 365 vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is dynamics 365 being exploited right now?
None of the tracked dynamics 365 CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which dynamics 365 CVE should I patch first?
CVE-2026-65815 currently ranks highest (55/100): Deserialization of untrusted data in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to exe.