KEV Entry

CVE-2026-21514

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2026-21514

2026-06-01 10:50 UTC

Timestamps

2026-06-01

2026-06-01

Scope

KEVIntel entry: Microsoft Word Security Feature Bypass Vulnerability | Affected: Microsoft / Microsoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024 | CVSS: 7.8 (HIGH) | EPSS: 0.01517 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-21514', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-21514'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2026-21514'}

1e67a2d9-8a79-4533-abf3-3cbc62d0e8c3

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 14:03 UTC

2026-06-23 14:03 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-01T10:50:47.655Z",
  "ahead_of_cisa_kev": {
    "count": 1,
    "unit": "day"
  },
  "cvss_score": 7.8,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.71247,
  "epss_score": 0.01517,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Microsoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024",
  "title": "Microsoft Word Security Feature Bypass Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "Microsoft"
}
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