7.8

CVE-2026-55123

Microsoft PowerPoint Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office PowerPoint 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 ≫ 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 ≫ Powerpoint Version2016 HwPlatformx64
Microsoft ≫ Powerpoint Version2016 HwPlatformx86
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.35% 0.272
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-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

CWE-681 Incorrect Conversion between Numeric Types

When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55123
Patch
Vendor Advisory