CVE-2026-56165
Microsoft Account Remote Code Execution vulnerability
Microsoft·Microsoft Account Remote Code Execution
MSRC advisory July 23, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-56165
- Affected products
- Microsoft Account Remote Code Execution · Microsoft Microsoft Account Remote Code Execution · Microsoft
What happened
Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.
What it means for your business
Microsoft Account Remote Code Execution vulnerability (CVE-2026-56165) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
Sources
Related briefs
Microsoft Dynamics 365 Business Central Remote Code Execution vulnerability
Microsoft Dynamics 365 Business Central Remote Code Execution vulnerability (CVE-2021-34474) was added to Microsoft’s security update guidance. Updated the build numbers. This is an informational update only. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
Microsoft Dynamics Business Central Cross-site Scripting vulnerability
Microsoft Dynamics Business Central Cross-site Scripting vulnerability (CVE-2021-36946) was added to Microsoft’s security update guidance. Updated the build numbers. This is an informational update only. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
Microsoft Dynamics Business Central Cross-site Scripting vulnerability
Microsoft Dynamics Business Central Cross-site Scripting vulnerability (CVE-2021-40440) was added to Microsoft’s security update guidance. Updated the build numbers. This is an informational update only. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
Microsoft Dynamics Business Central/NAV Information Disclosure vulnerability
Microsoft Dynamics Business Central/NAV Information Disclosure vulnerability (CVE-2024-21380) was added to Microsoft’s security update guidance. Updated the build numbers. This is an informational update only. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
Need help patching?
PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.