EUVD-2026-73348
GHSA-pm73-3vjf-jmpq
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local access with low privilege confirmed by driver IOCTL model; read-only impact yields C:H, I:N, A:N with no scope change.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
5DescriptionCVE.org
Out-of-bounds read in Storage Port Driver allows an authorized attacker to disclose information locally.
AnalysisAI
Out-of-bounds read in the Windows Storage Port Driver allows a low-privileged local attacker to disclose kernel memory contents on a wide range of Windows client and server releases. The driver mishandles a crafted request, reading beyond an allocated buffer boundary (CWE-125), exposing high-confidentiality data such as kernel addresses or sensitive in-memory data. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated local session on the target Windows system with at least low-privilege (standard user) rights - confirmed by CVSS PR:L and AV:L. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.5 (medium) score accurately reflects the constrained exploitation conditions: the attacker must already have local, authenticated access (PR:L, AV:L), limiting remote exploitation paths. … 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 | The primary fix is to apply Microsoft's security update for the affected Windows version via Windows Update or WSRC. … 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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