CVE-2026-78517
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Office Produkten, Microsoft Office Online Server, Microsoft 365 Apps, Microsoft SharePoint, Microsoft Teams und Microsoft Skype ausnutzen, um erhöhte Berechtigungen zu erlangen, um Code auszuführen, um Informationen offenzulegen und um den Nutzer zu täuschen.
⚡ Watch CVE-2026-78517
Get an email if CVE-2026-78517 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.59% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 46% of all EPSS-scored CVEs.
Advisory coverage (4)
- high[NEU] [hoch] Microsoft Office Produkte: Mehrere Schwachstellencert-bund · 2026-09-09
- unknownMultiples vulnérabilités dans Microsoft Office (09 septembre 2026)cert-fr-avis · 2026-09-09
- highCVE-2026-78517: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute…nvd · 2026-09-08
- highCVE-2026-78517: Microsoft Office Word Remote Code Execution Vulnerabilitymsrc · 2026-09-08
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-78517)