Summary
Ein Angreifer kann mehrere Schwachstellen in Microsoft Excel, Microsoft PowerPoint, Microsoft Office, Microsoft Office Online Server, Microsoft SharePoint, Microsoft SharePoint Server 2019 und Microsoft 365 Apps ausnutzen, um beliebigen Programmcode auszuführen, Spoofing-Angriffe durchzuführen, Daten zu manipulieren und vertrauliche Informationen offenzulegen.
Product
Die Microsoft Office Suite beinhaltet zahlreiche Büroanwendungen wie Textverarbeitung, Tabellenkalkulation, Datenbank und weitere Applikationen.
Microsoft Office Online Server ist ein Serverprodukt, das browserbasierte Versionen von Word, PowerPoint, Excel und OneNote bereitstellt.
Microsoft Sharepoint Services ist ein Portalsystem für die zentrale Verwaltung von Dokumenten und Anwendungen. Die Inhalte werden u.a. über Webseiten zur Verfügung gestellt.
Microsoft 365 Apps ist eine Office Suite für zahlreiche Büroanwendungen.
Vulnerabilities 14
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Medium 6.5
Microsoft SharePoint Server Spoofing Vulnerability
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
KEV Apr 14, 2026 -
High 8.4
Microsoft Office Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
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High 8.4
Microsoft Word Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
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High 8.4
Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
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High 7.8
Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
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High 7.8
Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
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High 7.8
Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
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High 7.8
Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
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High 7.8
Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
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High 7.8
Microsoft PowerPoint Remote Code Execution Vulnerability
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
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High 7.8
Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
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High 7.1
Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
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Medium 6.1
Microsoft Word Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
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Medium 4.6CVE-2026-20945 EPSS 20%
Microsoft SharePoint Server Spoofing Vulnerability
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.
Revision history
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#1
Initiale Fassung
References
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Microsoft Leitfaden für Sicherheitsupdates
https://msrc.microsoft.com/update-guide/