Sep 2026: Microsoft Windows SCSI Class System File Information Disclosure Vulnerability
CVE-2026-78453 Published on September 8, 2026

Microsoft Windows SCSI Class System File Information Disclosure Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Windows SCSI Class System File allows an unauthorized attacker to disclose information over a network.

Vendor Advisory NVD

Weakness Type

What is an Integer underflow Vulnerability?

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. This can happen in signed and unsigned cases.

CVE-2026-78453 has been classified to as an Integer underflow vulnerability or weakness.


Products Associated with CVE-2026-78453

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Affected Versions

Microsoft Windows 10 Version 1607: Microsoft Windows 10 Version 1809: Microsoft Windows 10 Version 21H2: Microsoft Windows 10 Version 22H2: Microsoft Windows 11 version 23H2: Microsoft Windows 11 Version 23H2: Microsoft Windows 11 Version 24H2: Microsoft Windows 11 Version 25H2: Microsoft Windows 11 version 26H1: Microsoft Windows Server 2012: Microsoft Windows Server 2012 (Server Core installation): Microsoft Windows Server 2012 R2: Microsoft Windows Server 2012 R2 (Server Core installation): Microsoft Windows Server 2016: Microsoft Windows Server 2016 (Server Core installation): Microsoft Windows Server 2019: Microsoft Windows Server 2019 (Server Core installation): Microsoft Windows Server 2022: Microsoft Windows Server 2025: Microsoft Windows Server 2025 (Server Core installation):