DeutschShown in its original language — a full translation is planned for a future version.
Microsoft Office: Mehrere Schwachstellen
view advisory published 2026-02-10
Ein Angreifer kann mehrere Schwachstellen in Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft Office Online Server, Microsoft SharePoint, Microsoft Office, Microsoft SharePoint Server 2019 und Microsoft 365 Apps ausnutzen, um Administratorrechte zu erlangen, Spoofing-Angriffe durchzuführen, Sicherheitsmaßnahmen zu umgehen und vertrauliche Informationen offenzulegen.
01
describes (6)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-21514US | —OT critical | KEV | ||
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally. | ||||
| CVE-2026-21511US | — | — | ||
Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network. | ||||
| CVE-2026-21261US | — | — | ||
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | ||||
| CVE-2026-21260US | — | — | ||
Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network. | ||||
| CVE-2026-21259US | — | — | ||
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally. | ||||
| CVE-2026-21258US | — | — | ||
Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | ||||
02
references
External citations — patches, advisories, analysis.
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