CVE detail

CVE-2026-20963 — Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Published 2026-03-18 · Modified 2026-03-18 · Source kev

HIGH

severity

CVSS-derived band

n/a

CVSS v3

0–10 scale

0.3114

EPSS probability

exploitation probability, 30d

98.0%

EPSS percentile

percentile vs all CVEs

LISTED

CISA KEV

due 2026-03-21

Description

Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.