CVE-2026-56164

Description

Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.

Affected Platforms

Weakness Type

CWE-306

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56164
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-…