CVE-2026-69681: Virtual Hard Disk (VHD) Miniport Driver Elevation of Privilege Vulernability
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges over a network.
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
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Fixed in 6.3.9600.23397Patch KB5123066 - Upgrade
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Fixed in 6.2.9200.26349Patch KB5123065 - Upgrade
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Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
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Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.19044.7725Patch KB5122878 - Upgrade
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Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
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Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
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Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
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Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
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Fixed in 10.0.17763.9245Patch KB5122876
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
The attacker must already be authorized and have low-level privileges. Exploitation is described as occurring over a network and also requires user interaction.
Which systems should be evaluated for exposure?
Evaluate Microsoft Windows 10, Windows 11, and Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025 systems. The provided data does not identify specific affected builds, editions, or configurations within those products.
What is the likely impact if exploitation succeeds?
Successful exploitation allows elevation of privilege. The supplied severity vector also indicates high potential impact to confidentiality, integrity, and availability.