EUVD-2026-73808
GHSA-29wr-28r6-39j2
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local-only, low-privilege IOCTL call; read-only kernel memory leakage with no integrity or availability impact confirms C:H/I:N/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 authorized attacker to disclose information locally.
AnalysisAI
Out-of-bounds read in the Windows CD-ROM kernel driver enables a local, low-privileged attacker to disclose sensitive kernel memory contents across a broad swath of Windows 10, Windows 11, and Windows Server 2016/2019 builds. The vulnerability is reachable from standard user space - no administrator rights or user interaction required - via crafted I/O control requests to the driver. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated local session with at least standard (low-privilege) user rights on the target Windows system - confirmed by the CVSS PR:L and AV:L metrics. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.5 medium score reflects the constrained attack surface accurately: local access with low privileges (AV:L/PR:L) limits blast radius to systems where an adversary already has a foothold, and the absence of integrity or availability impact (I:N/A:N) means this is a pure information disclosure. … 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 distributed via Windows Update or WSUS targeting the patched build numbers listed in the affected-products section above (e.g., 10.0.17763.9245 or later for Server 2019, 10.0.26100.9445 or later for Windows 11 24H2). … 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
View allShare
External POC / Exploit Code
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