CVE-2026-54733

highcovered by 2 sourcesfirst seen 2026-07-16

A remote, anonymous attacker can exploit a vulnerability in Microsoft Office 365 (Moodle Plugin) to bypass security measures, impersonate users, and thereby gain elevated permissions, including administrator access.

CSIRTS triage

What: A vulnerability allows a remote, anonymous attacker to bypass security measures and impersonate users.
Who is affected: Deployments of Microsoft Office 365 with the Moodle Plugin.
Urgency: Remediation is urgent due to the high severity and potential for elevated permissions, including administrator access.
Action: Apply the latest security updates to the Moodle Plugin.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.92% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 57% of all EPSS-scored CVEs.

Advisory coverage (2)

high[NEW] [high] Microsoft Office 365 (Moodle Plugin): Vulnerability allows bypassing of security measurescert-bund · 2026-07-17
unknownCVE-2026-54733: The Microsoft 365 and Microsoft Entra ID Plugins for Moodle provide Office 365 and Azure Activ…nvd · 2026-07-16

External references

NVD record for CVE-2026-54733

CVE.org record

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