Threat Intelligence / CVE / CVE-2026-20945

CVE-2026-20945

CVSS 4.6 (MEDIUM) · EPSS 0.0% · Published 2026-04-14

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

Threats tracking this CVE

Microsoft April 2026 Patch Tuesday — 163 CVEs / 88 Advisories (CVE-2026-32201 SharePoint Zero-Day Exploited In-The-Wild, CVE-2026-33825 Defender EoP Public PoC, CVE-2026-33824 IKE RCE CVSS 9.8, CVE-2026-33827 TCP/IP Wormable RCE) — CRITICAL

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20945

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