7.8

CVE-2026-55036

Microsoft Excel Remote Code Execution Vulnerability

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ 365 Apps Version- SwEditionenterprise HwPlatformx64
Microsoft ≫ 365 Apps Version- SwEditionenterprise HwPlatformx86
Microsoft ≫ Excel Version2016 HwPlatformx64
Microsoft ≫ Excel Version2016 HwPlatformx86
Microsoft ≫ Microsoft 365 Version- SwPlatformmacos
Microsoft ≫ Office 2019 Version- HwPlatformx64
Microsoft ≫ Office 2019 Version- HwPlatformx86
Microsoft ≫ Office 2021 Version- SwEditionltsc SwPlatform- HwPlatformx64
Microsoft ≫ Office 2021 Version- SwEditionltsc SwPlatform- HwPlatformx86
Microsoft ≫ Office 2021 Version- SwEditionltsc SwPlatformmacos HwPlatform-
Microsoft ≫ Office 2024 Version- SwEditionltsc SwPlatform- HwPlatformx64
Microsoft ≫ Office 2024 Version- SwEditionltsc SwPlatform- HwPlatformx86
Microsoft ≫ Office 2024 Version- SwEditionltsc SwPlatformmacos 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% 0.223
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-126 Buffer Over-read

The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55036
Patch
Vendor Advisory