EUVD-2026-73497
GHSA-w5cm-4vrf-93h3
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Local attack with TOCTOU race (AC:H), low-privilege user required (PR:L), integrity-only impact per tampering description.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Improper link resolution before file access ('link following') in Windows NTFS allows an authorized attacker to perform tampering locally.
AnalysisAI
Tampering via NTFS link-following in Windows 11 allows a local low-privileged attacker to overwrite or modify files they would not ordinarily have write access to. The vulnerability (CWE-59) is triggered when a privileged Windows component resolves a symlink or junction point created by the attacker, resulting in file access against an unintended target. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local code execution on the affected Windows 11 system with at minimum a standard (low-privilege) user account - remote unauthenticated exploitation is not possible given AV:L/PR:L. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS base score of 4.7 with vector AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N reflects a moderate-severity local tampering primitive. … 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 | Microsoft has released patches addressing this vulnerability. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
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External POC / Exploit Code
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