Skip to main content

CVE-2026-50441

Windows Resilient File System (ReFS) Elevation of Privilege vulnerability

Microsoft·Windows Resilient File System (ReFS) Elevation of Privilege

MSRC advisory July 14, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-50441
Affected products
Windows Resilient File System (ReFS) Elevation of Privilege · Microsoft Windows Resilient File System (ReFS) Elevation of Privilege · Microsoft

What happened

Updated an acknowledgement. This is an informational change only.

What it means for your business

Windows Resilient File System (ReFS) Elevation of Privilege vulnerability (CVE-2026-50441) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Sources

Related briefs

Microsoft MSRC

CVE-2026-50407

Windows Resilient File System (ReFS) Elevation of Privilege vulnerability

Windows Resilient File System (ReFS) Elevation of Privilege vulnerability (CVE-2026-50407) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-40400

Windows PowerShell Remote Code Execution vulnerability

Windows PowerShell Remote Code Execution vulnerability (CVE-2026-40400) was added to Microsoft’s security update guidance. Acknowledgement Updated PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-50481

Azure Active Directory Elevation of Privilege vulnerability

Azure Active Directory Elevation of Privilege vulnerability (CVE-2026-50481) was added to Microsoft’s security update guidance. Modification of assumed-immutable data (maid) in Azure Active Directory allows an authorized attacker to elevate privileges over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-50515

Azure Service Bus Remote Code Execution vulnerability

Azure Service Bus Remote Code Execution vulnerability (CVE-2026-50515) was added to Microsoft’s security update guidance. Deserialization of untrusted data in Azure Service Bus allows an authorized 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.

Need help patching?

PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.