KEV Entry

CVE-2026-42897

Known Exploited Vulnerability Entry External Catalog

Back to Catalog View Vulnerability
Entry Details
Confirmed Exploited

CVE-2026-42897

2026-06-01 13:29 UTC

Timestamps

2026-06-01

2026-06-01

Scope

KEVIntel entry: Microsoft Exchange Server Spoofing Vulnerability | Affected: Microsoft / Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 14, Microsoft Exchange Server 2019 Cumulative Update 15, Microsoft Exchange Server Subscription Edition RTM | CVSS: 8.1 (HIGH) | EPSS: 0.02509 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-42897', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-42897'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2026-42897'}

bb439849-ad12-4ae3-aa28-15fb8601fcde

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-19 12:42 UTC

2026-06-19 12:42 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-01T13:29:03.497Z",
  "ahead_of_cisa_kev": {
    "count": 1,
    "unit": "day"
  },
  "cvss_score": 8.1,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.82703,
  "epss_score": 0.02509,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 14, Microsoft Exchange Server 2019 Cumulative Update 15, Microsoft Exchange Server Subscription Edition RTM",
  "title": "Microsoft Exchange Server Spoofing Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "Microsoft"
}
 -
Export Options
JSON Object JSON API View Full Catalog