WID-SEC-W-2026-1652

DeutschShown in its original language — a full translation is planned for a future version.

Microsoft SharePoint Server 2016 und SharePoint Server 2019: Schwachstelle ermöglicht Codeausführung

view advisory published 2026-05-21

Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Microsoft SharePoint Server 2016, Microsoft SharePoint Server 2019 und Microsoft SharePoint ausnutzen, um beliebigen Programmcode auszuführen.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-45659US	—OT critical	80.2% (100th)	KEV	2026-05-22
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

references

External citations — patches, advisories, analysis.

Microsoft Security Advisory CVE-2026-45659 vom 2026-05-21external
WID-SEC-W-2026-1652 - CSAF Versionself
WID-SEC-2026-1652 - Portal Versionself
CISA Known Exploited Vulnerabilities Catalog vom 2026-07-01external

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