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CVE-2026-54998

🗓️ 02 Jul 2026 22:18:58Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov👁 108 Views

Microsoft Exchange Online elevation of privilege vulnerability with identifier 2026-54998.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-54998
4 Jul 202622:34
–githubexploit
attackerkb
attackerkb
CVE-2026-54998
2 Jul 202622:18
–attackerkb
bdu_fstec
BDU FSTEC
Microsoft Exchange Online Privilege Escalation
16 Jul 202600:00
–bdu_fstec
circl
Circl
CVE-2026-54998
2 Jul 202623:24
–circl
cvelist
Cvelist
CVE-2026-54998 Microsoft Exchange Online Elevation of Privilege Vulnerability
2 Jul 202622:18
–cvelist
euvd
EUVD
EUVD-2026-41446
3 Jul 202600:31
–euvd
kitploit
Kitploit
CVE-2026-54998-exp
1 Nov 202600:39
–kitploit
kaspersky
Kaspersky
KLA91131 PE vulnerability in Microsoft Server Software
2 Jul 202600:00
–kaspersky
mscve
Microsoft CVE
Microsoft Exchange Online Elevation of Privilege Vulnerability
2 Jul 202614:00
–mscve
ncsc
NCSC
Vulnerabilities in Microsoft Exchange
14 Jul 202618:31
–ncsc
Rows per page
NVD
CNA
[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Online",
    "versions": [
      {
        "version": "-",
        "status": "affected"
      }
    ]
  }
]

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25 Oct 2026 21:10Current
7.7High risk
Vulners AI Score7.7
CVSS 3.18.8
EPSS0.00778
SSVC
108