EUVD-2026-73309
GHSA-f64g-wwwg-h5v5
Severity by source
AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Physical access required (AV:P); no auth needed once physically present; read-only kernel memory disclosure means I:N and A:N.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Out-of-bounds read in Windows CD-ROM Driver allows an unauthorized attacker to disclose information with a physical attack.
AnalysisAI
Out-of-bounds read in the Windows CD-ROM kernel-mode driver exposes kernel memory contents to an attacker with physical access across virtually every supported Windows release from Server 2012 through Windows 11 Version 26H1. The flaw (CWE-125) allows kernel memory disclosure - potentially including credentials or cryptographic material - when a crafted disc interaction or malformed IOCTL triggers a read beyond the intended buffer boundary. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Physical access to the target system is the hard prerequisite - the CVSS vector confirms AV:P, making remote exploitation impossible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.6 score accurately captures the constrained threat model: physical access (AV:P) is the hard prerequisite, rendering remote exploitation impossible and mass exploitation implausible. … 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 Microsoft's patches for the specific Windows version in use, targeting the minimum fixed builds documented in EUVD-2026-73309: for example, Windows 10 22H2 to build 10.0.19045.7725 or later, Windows 11 24H2/25H2 to 10.0.26100.9445 or later, and Windows Server 2025 to 10.0.26100.33438 or later. … 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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