CVE-2026-78452: Microsoft Windows SCSI Class System File Information Disclosure Vulnerability
Microsoft Windows SCSI Class System File Information Disclosure Vulnerability
Other sources
Out-of-bounds read in Microsoft Windows SCSI Class System File allows an unauthorized attacker to disclose information with a physical attack.
— 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 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
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Fixed in 10.0.19045.7725Patch KB5122878 - 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 10.0.22631.7582Patch KB5122880 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876
Event History
Frequently Asked Questions
Who is realistically exposed to this vulnerability?
Systems running the listed Microsoft Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, or Windows Server 2025 products are in scope. Exploitation requires physical access, so remote-only attackers are not the stated threat model.
Does an attacker need an account or user interaction to exploit it?
No privileges and no user interaction are required according to the supplied vector. The attacker must, however, carry out a physical attack.
What is the impact if exploitation succeeds?
Successful exploitation can disclose information. The provided data does not indicate integrity modification or availability impact.