CVE-2026-20963
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
—
EPSS — probability of exploitation (30 days)
32.6%
98.3th percentile
CISA KEV
Listed
Added 2026-03-18 · patch by 2026-03-21
Weakness / dates
—
Published — · modified —
Description
Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network.