EUVD-2026-73005
GHSA-wr96-cg2p-64h2
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local access with low privilege matches an authenticated local session; confidentiality only, no integrity or availability impact.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Out-of-bounds read in Windows USB Mass Storage Class Driver allows an authorized attacker to disclose information locally.
AnalysisAI
Out-of-bounds read in the Windows USB Mass Storage Class Driver exposes kernel memory to locally authenticated attackers across a broad swath of Windows releases, from Server 2012 through Windows 11 26H1 and Server 2025. The CWE-125 flaw allows an authorized low-privilege user to read beyond an allocated buffer in the driver, potentially leaking sensitive memory contents including kernel addresses or credentials cached in driver memory. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated local user session with at least standard (non-admin) privileges - consistent with PR:L in the CVSS vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 5.5 (Medium) with a local, low-privilege vector accurately reflects the constrained scope of this vulnerability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Microsoft security update for each respective Windows build as documented in the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69527. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
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External POC / Exploit Code
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