Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
High Listed in CISA KEV
Summary
Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network.
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- Microsoft:SharePoint
Sources
- CISA KEV DATABASE
Original Links
- https://nvd.nist.gov/vuln/detail/CVE-2026-20963 advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20963 reference
Timeline
- kev_added CISA KEV
- kev_ingest CISA KEV