CVE-2026-20963

Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Affected Platforms

Weakness Type

CWE-502

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20963
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-…