CVE-2026-72946: Microsoft Storage Port Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Storage Port Driver allows an authorized attacker to elevate privileges locally.
Other sources
Microsoft Storage Port Driver Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9445Patch KB5124008
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Systems running Microsoft Windows 11 or Microsoft Windows Server 2025 are identified as affected. Exploitation is local, so the attacker must be able to run code on the target system.
What level of access does an attacker need?
The attacker must already be authorized with low privileges on the affected machine. No user interaction is required.
What could successful exploitation allow?
Successful exploitation could allow elevation of privilege and has high potential impact on confidentiality, integrity, and availability.