7.8

CVE-2026-55949

Microsoft Excel Remote Code Execution Vulnerability

Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ 365 Apps Version - SwEdition enterprise HwPlatform x64
Microsoft ≫ 365 Apps Version - SwEdition enterprise HwPlatform x86
Microsoft ≫ Excel Version 2016 HwPlatform x64
Microsoft ≫ Excel Version 2016 HwPlatform x86
Microsoft ≫ Microsoft 365 Version - SwPlatform macos
Microsoft ≫ Office 2019 Version - HwPlatform x64
Microsoft ≫ Office 2019 Version - HwPlatform x86
Microsoft ≫ Office 2021 Version - SwEdition ltsc SwPlatform - HwPlatform x64
Microsoft ≫ Office 2021 Version - SwEdition ltsc SwPlatform - HwPlatform x86
Microsoft ≫ Office 2021 Version - SwEdition ltsc SwPlatform macos HwPlatform -
Microsoft ≫ Office 2024 Version - SwEdition ltsc SwPlatform - HwPlatform x64
Microsoft ≫ Office 2024 Version - SwEdition ltsc SwPlatform - HwPlatform x86
Microsoft ≫ Office 2024 Version - SwEdition ltsc SwPlatform macos HwPlatform -
Microsoft ≫ Office Online Server Version < 16.0.10417.20175
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.3% 0.222
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-908 Use of Uninitialized Resource

The product uses or accesses a resource that has not been initialized.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55949
Vendor Advisory