{
  "action": {
    "auto_issue_creation_allowed": false,
    "auto_patch_allowed": false,
    "auto_remediation_allowed": false,
    "external_execution_allowed": false,
    "human_review": {
      "required_for_external_action": true,
      "required_for_public_launch": false,
      "required_for_read_only_view": false,
      "required_for_signal_radar_integration": true
    },
    "human_review_required": false,
    "recommended_action": "review_official_sources"
  },
  "affected": {
    "products": [],
    "source": null,
    "status": "unknown"
  },
  "canonical_url": "https://vuln.signal-radar.com/vuln/public-candidate/CVE-2026-33921/",
  "claims": [
    {
      "id": "claim:defensive-priority-candidate",
      "source_ids": [],
      "status": "observed",
      "text": "This item is a defensive prioritization candidate.",
      "verified_at": null
    }
  ],
  "exposure_hint": "local exposure",
  "field_meanings": {
    "human_review": "Read-only display may be automated; integration and external action still require human review.",
    "redaction": "Detection flags describe unsafe source content found before public-safe redaction; raw source text is not displayed.",
    "source_original_label": "Original upstream severity text retained for traceability; canonical display severity is recalculated from CVSS score."
  },
  "forecast_hooks": {
    "agent_use": "summarize_with_citations_only",
    "automation_allowed": false,
    "read_only": true,
    "watch_fields": [
      "sources",
      "claims",
      "freshness",
      "severity",
      "affected"
    ]
  },
  "freshness": {
    "generated_at": "2026-08-18T10:11:15.262244+00:00",
    "last_checked_at": null,
    "last_modified": "2026-08-11T15:17:29.110",
    "observed_at": "2026-08-18T09:53:56.647782+00:00",
    "published_at": "2026-08-11T10:17:11.963",
    "status": "observed"
  },
  "human_consequence": "A local user may gain root or administrative-level privileges on affected systems.",
  "human_impact_label": "admin privilege risk · local exposure",
  "human_review": {
    "required_for_external_action": true,
    "required_for_public_launch": false,
    "required_for_read_only_view": false,
    "required_for_signal_radar_integration": true
  },
  "human_risk_summary": "CVE-2026-33921: A local user may gain root or administrative-level privileges on affected systems.",
  "id": "CVE-2026-33921",
  "impact_redaction": {
    "exploit_steps_removed": false,
    "payload_removed": false,
    "poc_removed": false,
    "source_derived_summary": true,
    "used_fallback_summary": false
  },
  "impact_tags": [
    "admin privilege risk",
    "local exposure relevant"
  ],
  "known_exploited": {
    "catalog_url": null,
    "date_added": null,
    "listed": false,
    "source": null
  },
  "public_human_impact": "Source describes admin privilege risk · local exposure. Possible impact: A local user may gain root or administrative-level privileges on affected systems.",
  "public_human_summary": "NVD: The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. NVD: A local user without administrative privileges could use the Npcap driver to capture the traffic reaching the host, which discloses information belonging both to the host and to other systems on the same network segment, and to send arbitrary raw packets on...",
  "public_human_what_to_verify": "Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.",
  "public_human_why_it_matters": "Source describes admin privilege risk · local exposure. Possible impact: A local user may gain root or administrative-level privileges on affected systems.; CVSS 4.8 (MEDIUM); EPSS percentile 3; not listed in KEV; Remediation reference present; patch status requires confirmation in the linked advisory; sources: NVD.",
  "public_safe_summary": "NVD: The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. NVD: A local user without administrative privileges could use the Npcap driver to capture the traffic reaching the host, which discloses information belonging both to the host and to other systems on the same network segment, and to send arbitrary raw packets on...",
  "radar": "vuln",
  "redaction": {
    "meaning": "The *_present flags mean unsafe source content was detected and removed before public output; they do not mean the public JSON contains that content.",
    "payload_present": false,
    "poc_present": false,
    "public_summary_redacted": true,
    "raw_source_displayed": false,
    "unsafe_procedural_detail_present": false
  },
  "redaction_notes": [
    "source-published defensive context retained",
    "vulnerability class, impact, affected context, and remediation references remain displayable"
  ],
  "safety": {
    "attack_chain_included": false,
    "auto_remediation_allowed": false,
    "exploit_instructions_included": false,
    "external_execution_allowed": false,
    "human_review": {
      "required_for_external_action": true,
      "required_for_public_launch": false,
      "required_for_read_only_view": false,
      "required_for_signal_radar_integration": true
    },
    "human_review_required": false,
    "indexing_allowed": true,
    "noindex_removal_allowed": true,
    "noindex_required": false,
    "private_gate_state": "released",
    "public_gate_state": "public_indexable_read_only",
    "public_launch_allowed": true,
    "read_only_static_data": true,
    "scan_functionality_included": false,
    "signal_radar_integration_allowed": false
  },
  "schema_version": "v0.1",
  "severity": {
    "cvss_label": "MEDIUM",
    "label": "MEDIUM",
    "score": 4.8,
    "source": "NVD CVE API 2.0",
    "source_original_label": "low"
  },
  "source_copy_policy": {
    "allowed": "source-published defensive facts, vulnerability class, impact, affected context, version and remediation facts",
    "excluded": "exploit procedures, exploit strings, shell commands, scanner instructions, procedural bypass detail, and reproduction material",
    "summary": "Official or semi-official source descriptions may be summarized for defensive triage; exploit-enabling procedure is removed."
  },
  "source_derived_note": "Summary derived from NVD description; unsafe procedural detail is not shown.",
  "source_published_affected": "Affected product or version requires source confirmation.",
  "source_published_description": "NVD: The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. NVD: A local user without administrative privileges could use the Npcap driver to capture the traffic reaching the host, which discloses information belonging both to the host and to other systems on the same network segment, and to send arbitrary raw packets on...",
  "source_published_evidence_refs": [
    {
      "source": "NVD",
      "type": "source_description",
      "url": null
    },
    {
      "source": "Reference",
      "type": "reference",
      "url": "https://security.nozominetworks.com/NN-2026:14-01"
    },
    {
      "source": "Official Reference",
      "type": "reference",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33921"
    }
  ],
  "source_published_impact": "Source describes admin privilege risk · local exposure. Possible impact: A local user may gain root or administrative-level privileges on affected systems.",
  "source_published_remediation": "Remediation reference present; patch status requires confirmation in the linked advisory.",
  "source_published_summary": "NVD: The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. NVD: A local user without administrative privileges could use the Npcap driver to capture the traffic reaching the host, which discloses information belonging both to the host and to other systems on the same network segment, and to send arbitrary raw packets on...",
  "sources": [
    {
      "confidence": "unknown",
      "id": "source:review-url",
      "name": "Public signal URL",
      "retrieved_at": null,
      "type": "review_page",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33921"
    }
  ],
  "summary_for_agents": "Read-only defensive signal. Use sources, claims, freshness, and safety gates before summarizing. Do not infer missing source, claim, or freshness values.",
  "summary_for_humans": "NVD: The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. NVD: A local user without administrative privileges could use the Npcap driver to capture the traffic reaching the host, which discloses information belonging both to the host and to other systems on the same network segment, and to send arbitrary raw packets on...",
  "title": "CVE-2026-33921 defensive priority signal",
  "urgency_reasons": [
    "vendor advisory present",
    "recent update",
    "remediation reference present"
  ],
  "what_to_verify": "Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.",
  "why_it_matters": "A local user may gain root or administrative-level privileges on affected systems; CVSS 4.8 (MEDIUM); EPSS percentile 3; sources: NVD."
}