The vulnerability of Microsoft Exchange Online for corporate email services stems from deficiencies in the authentication process, which allows attackers to escalate their privileges.
🗓️ 16 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 7 Views
| Reporter | Title | Published | Views | Family All 13 |
|---|---|---|---|---|
 | Exploit for CVE-2026-54998 | 4 Jul 202622:34 | – | githubexploit |
 | CVE-2026-54998 | 2 Jul 202622:18 | – | attackerkb |
 | CVE-2026-54998 | 2 Jul 202623:24 | – | circl |
 | CVE-2026-54998 | 2 Jul 202622:18 | – | cve |
 | CVE-2026-54998 Microsoft Exchange Online Elevation of Privilege Vulnerability | 2 Jul 202622:18 | – | cvelist |
 | EUVD-2026-41446 | 3 Jul 202600:31 | – | euvd |
 | KLA91131 PE vulnerability in Microsoft Server Software | 2 Jul 202600:00 | – | kaspersky |
 | Microsoft Exchange Online Elevation of Privilege Vulnerability | 2 Jul 202614:00 | – | mscve |
 | Vulnerabilities in Microsoft Exchange | 14 Jul 202618:31 | – | ncsc |
 | CVE-2026-54998 | 2 Jul 202623:16 | – | nvd |
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16 Jul 2026 00:00Current
5.3Medium risk
Vulners AI Score5.3
CVSS 38.8
CVSS 29
EPSS0.00648