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7.8Hoch

CVE-2021-43256Microsoft Excel Remote Code Execution Vulnerability

Microsoft Office Online Server; Microsoft Microsoft Office 2019; Microsoft Microsoft 365 Apps for Enterprise; Microsoft Microsoft Office LTSC 2021 Veröffentlicht: (vor 4 Jahren)

Beschreibung

Microsoft Excel Remote Code Execution Vulnerability

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
microsoft 365 apps —
microsoft excel 2016
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Excel 2013 Service Pack 1 15.0.0.0 – < 15.0.5407.1000
Microsoft Microsoft Excel 2016 16.0.0.0 – < 16.0.5254.1000
Microsoft Microsoft Office 2019 19.0.0 – < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2021 16.0.1 – < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.1 – < 15.0.5407.1000
microsoft office 2021
microsoft office long term servicing channel 2021
Microsoft Office Online Server https://aka.ms/OfficeSecurityReleases – < 16.0.10381.20001
microsoft office web apps server 2013

Referenzen und Patches

Neue CVEs im selben Produkt — Microsoft Office / 365 Apps

8.8Hoch
CVE-2026-120003

Microsoft Office Remote Code Execution Vulnerability

Microsoft Microsoft 365 Apps for Enterprise; Microsoft Microsoft Office 365 for Mac; Microsoft Microsoft Office LTSC 2021; Microsoft Microsoft Office LTSC 2024

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.

6.5Mittel
CVE-2026-119999

Microsoft Office Excel Information Disclosure Vulnerability

Microsoft Microsoft 365 Apps for Enterprise; Microsoft Microsoft Office 365 for Mac; Microsoft Microsoft Office LTSC 2021; Microsoft Microsoft Office LTSC 2024

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

6.5Mittel
CVE-2026-119998

Microsoft Office Security Feature Bypass Vulnerability

Microsoft Microsoft 365 Apps for Enterprise; Microsoft Microsoft Office LTSC 2021; Microsoft Microsoft Office LTSC 2024

Product ui does not warn user of unsafe actions in Microsoft Office allows an unauthorized attacker to bypass a security feature over a network.