MEDIUM 5.5 Microsoft
CVE-2026-44821
Microsoft Office Information Disclosure Vulnerability
Microsoft Security Update 2026-Jun: Microsoft Office Information Disclosure Vulnerability
Affected Products
- Microsoft SharePoint Server Subscription Edition
- Microsoft SharePoint Enterprise Server 2016
- Microsoft Office 365 for Mac
- Microsoft SharePoint Server 2019
- Microsoft Office 2019 for 32-bit editions
- Microsoft Office 2019 for 64-bit editions
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44821
- https://nvd.nist.gov/vuln/detail/CVE-2026-44821
This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-06-09 via Microsoft. Affected: Microsoft SharePoint Server Subscription Edition, Microsoft SharePoint Enterprise Server 2016, Microsoft Office 365 for Mac and 5 more.
vulnfeed aggregates 9214 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.