EUVD-2026-73510
GHSA-fxch-5wqm-cgvh
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Local low-privilege session required; no confidentiality or availability impact - only integrity via unauthorized write to search component data.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Missing authorization in Microsoft Windows Search Component allows an authorized attacker to perform tampering locally.
AnalysisAI
Tampering in the Windows Search Component across virtually all supported and legacy Windows releases allows a local low-privileged attacker to bypass authorization checks and modify data or settings that should require elevated rights. The root cause is CWE-862 (Missing Authorization) - the component does not verify whether the requesting principal holds sufficient privilege before honoring the operation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an existing local session on the target host with at minimum standard (low-privileged) user credentials - PR:L in the CVSS vector confirms this. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.5 Medium score is reasonable and reflects the key limiting factor: AV:L requires an existing local session, substantially reducing the attack surface compared to network-exploitable flaws. … 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 for the affected Windows build as distributed through Windows Update, WSUS, or Microsoft Update Catalog. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-862 – Missing Authorization
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External POC / Exploit Code
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