EUVD-2026-56389
GHSA-rhm8-g2rj-mrwc
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local access with low privileges required; confidentiality-only impact from kernel memory read; no integrity or availability effect.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
3DescriptionCVE.org
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
AnalysisAI
Out-of-bounds read in the Windows NTFS driver exposes sensitive memory contents to locally authenticated attackers across a wide range of Microsoft Windows and Windows Server releases. The flaw (CWE-125) allows a low-privileged local user to read kernel or process memory beyond intended boundaries, resulting in information disclosure with high confidentiality impact but no integrity or availability consequences. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the attacker is already authenticated on the target system with at least low-privilege (standard user) access - confirmed by CVSS PR:L. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) accurately characterizes the risk: exploitation is local, requires low privileges, and yields confidentiality impact only. … 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 corresponding to your Windows version as documented in the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62796. … 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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