CVE-2026-50426
Windows DNS Server Remote Code Execution vulnerability
MSRC advisory July 14, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-50426
- Affected products
- Windows DNS Server Remote Code Execution · Microsoft Windows DNS Server Remote Code Execution · Microsoft
What happened
Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.
What it means for your business
Windows DNS Server Remote Code Execution vulnerability (CVE-2026-50426) was added to Microsoft’s security update guidance. Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network. If you need help checking exposure, call (864) 335-9223.
Sources
Related briefs
Windows DHCP Client Remote Code Execution vulnerability
Windows DHCP Client Remote Code Execution vulnerability (CVE-2026-54128) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Windows GDI Elevation of Privilege vulnerability
Windows GDI Elevation of Privilege vulnerability (CVE-2026-50387) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Heap buffer overflow in ANGLE in Microsoft Edge vulnerability
Heap buffer overflow in ANGLE in Microsoft Edge vulnerability (CVE-2025-10502) was added to Microsoft’s security update guidance. Information published. If you need help checking exposure, call (864) 335-9223.
Microsoft Exchange Server Elevation of Privilege vulnerability
Microsoft Exchange Server Elevation of Privilege vulnerability (CVE-2026-96940) was added to Microsoft’s security update guidance. Weak authorization in Microsoft Exchange Server allows an authenticated attacker to elevate privileges over a network. If you need help checking exposure, call (864) 335-9223.
Need help patching?
PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.