CVE-2026-35420
Windows Kernel Elevation of Privilege vulnerability
MSRC advisory May 12, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-35420
- Affected products
- Windows Kernel Elevation of Privilege · Microsoft Windows Kernel Elevation of Privilege · Microsoft
What happened
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
What it means for your business
Windows Kernel Elevation of Privilege vulnerability (CVE-2026-35420) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
EPSS probability
0.32%
Sources
Related briefs
Windows Kernel Elevation of Privilege vulnerability
Windows Kernel Elevation of Privilege vulnerability (CVE-2026-50332) 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.
Microsoft Partner Center Elevation of Privilege vulnerability
Microsoft Partner Center Elevation of Privilege vulnerability (CVE-2026-96207) was added to Microsoft’s security update guidance. <p>Improper certificate validation in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Bookings Elevation of Privilege vulnerability
Microsoft Bookings Elevation of Privilege vulnerability (CVE-2026-94510) was added to Microsoft’s security update guidance. <p>Authorization bypass through user-controlled key in Microsoft Bookings allows an unauthorized attacker to elevate privileges over a network.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Dataverse Remote Code Execution vulnerability
Microsoft Dataverse Remote Code Execution vulnerability (CVE-2026-88131) was added to Microsoft’s security update guidance. <p>Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.</p> 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.