KEV Entry

CVE-2023-35311

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2023-35311

2023-07-11 00:00 UTC

Timestamps

2023-07-11

2023-07-11

Scope

KEVIntel entry: Microsoft Outlook Security Feature Bypass Vulnerability | Affected: Microsoft / Microsoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office 2019, Microsoft Outlook 2016, Microsoft Outlook 2013, Microsoft Outlook 2013 Service Pack 1 | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2023-35311', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-35311'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2023-35311'}

3077581c-f8a6-4950-a736-297d8f03c335

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 11:14 UTC

2026-06-23 11:14 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2023-07-11T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 8.8,
  "cvss_severity": "HIGH",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Microsoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office 2019, Microsoft Outlook 2016, Microsoft Outlook 2013, Microsoft Outlook 2013 Service Pack 1",
  "title": "Microsoft Outlook Security Feature Bypass Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "Microsoft"
}
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