← All advisories

Unrated severityNVD Advisory· Published Jul 2, 2026· Updated Aug 3, 2026

Microsoft Exchange Online Elevation of Privilege Vulnerability

CVE-2026-54998

Description

Incorrect authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.

Affected products

1

Microsoft/Exchange Onlinellm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54998mitrevendor-advisorypatch

News mentions

0

No linked articles in our index yet.