Skip to main content

CVE-2026-65799

Windows DNS Elevation of Privilege vulnerability

Microsoft

MSRC advisory August 11, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-65799
Affected products
Windows DNS Elevation of Privilege · Microsoft Windows DNS Elevation of Privilege · Microsoft

What happened

Integer overflow or wraparound in Windows DNS allows an authorized attacker to elevate privileges locally.

What it means for your business

Windows DNS Elevation of Privilege vulnerability (CVE-2026-65799) was added to Microsoft’s security update guidance. Integer overflow or wraparound in Windows DNS allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.

Sources

Related briefs

Microsoft MSRC

CVE-2026-70330

Windows DNS Elevation of Privilege vulnerability

Windows DNS Elevation of Privilege vulnerability (CVE-2026-70330) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-70304

Windows DNS Elevation of Privilege vulnerability

Windows DNS Elevation of Privilege vulnerability (CVE-2026-70304) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-70338

Microsoft PowerShell Security Feature Bypass vulnerability

Microsoft PowerShell Security Feature Bypass vulnerability (CVE-2026-70338) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-66804

Microsoft Windows Cross Device Service Elevation of Privilege vulnerability

Microsoft Windows Cross Device Service Elevation of Privilege vulnerability (CVE-2026-66804) was added to Microsoft’s security update guidance. Acknowledgement Updated 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.