CVE-2026-69549: Virtual Hard Disk (VHD) Miniport Driver Elevation of Privilege Vulernability
Out-of-bounds read in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
Other sources
Virtual Hard Disk (VHD) Miniport Driver Elevation of Privilege Vulernability
— 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 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
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Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized on the affected system and must be able to execute an attack locally. The available information does not indicate that it is remotely exploitable or requires user interaction.
Which systems are identified as affected?
The affected software list includes Microsoft Windows 10, Microsoft Windows 11, Windows Server 2019, Windows Server 2022, and Windows Server 2025.
What security impact could successful exploitation have?
Successful exploitation allows local elevation of privilege. The supplied severity vector indicates potential high impact to confidentiality, integrity, and availability.