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The vulnerability of Microsoft Excel spreadsheet editors within the Microsoft Office and Microsoft 365 Apps for Enterprise products relates to a flaw in data protection mechanisms, allowing attackers to circumvent security restrictions.
🗓️ 17 Jun 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
 | CVE-2026-45459 | 9 Jun 202617:05 | – | attackerkb |
 | CVE-2026-45459 | 9 Jun 202616:04 | – | circl |
 | Microsoft Office Excel 处理逻辑错误漏洞 | 9 Jun 202600:00 | – | cnnvd |
 | CVE-2026-45459 | 9 Jun 202617:05 | – | cve |
 | CVE-2026-45459 Microsoft Excel Security Feature Bypass Vulnerability | 9 Jun 202617:05 | – | cvelist |
 | EUVD-2026-35541 | 9 Jun 202617:05 | – | euvd |
 | Security Updates for Microsoft Office Products (June 2026) (macOS) | 17 Jun 202600:00 | – | nessus |
| Security Updates for Microsoft Excel Products C2R (June 2026) | 12 Jun 202600:00 | – | nessus |
 | Microsoft Excel Security Feature Bypass Vulnerability | 9 Jun 202614:00 | – | mscve |
 | vulnerabilities present in Microsoft Office | 9 Jun 202618:04 | – | ncsc |
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17 Jun 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 22.1
CVSS 33.3
EPSS0.00371