CVE-2026-69426: Windows VOLSNAP.SYS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows VOLSNAP.SYS allows an authorized attacker to execute code locally.
Other sources
Windows VOLSNAP.SYS Remote Code Execution Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
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Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 6.3.9600.23397Patch KB5123066 - Upgrade
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Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
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Fixed in 6.2.9200.26349Patch KB5123065 - Upgrade
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Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
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Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
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Fixed in 10.0.19044.7725Patch 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
Does exploitation require remote access or elevated privileges?
The attack vector is local and requires an authorized attacker with low privileges. No user interaction is required.
What could an attacker achieve after successful exploitation?
Successful exploitation could result in high impact to confidentiality, integrity, and availability, including local code execution.
Which Windows product families are listed as affected?
The listed software includes Windows 10, Windows 11, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.