8.4

CVE-2026-40364

Medienbericht

Microsoft Word Remote Code Execution Vulnerability

Access of resource using incompatible type ('type confusion') in Microsoft Office Word 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 ≫ Office Version2019 HwPlatformx64
Microsoft ≫ Office Version2019 HwPlatformx86
Microsoft ≫ Office Long Term Servicing Channel Version2021 SwPlatform- HwPlatformx64
Microsoft ≫ Office Long Term Servicing Channel Version2021 SwPlatform- HwPlatformx86
Microsoft ≫ Office Long Term Servicing Channel Version2021 SwPlatformmacos
Microsoft ≫ Office Long Term Servicing Channel Version2024 SwPlatform- HwPlatformx64
Microsoft ≫ Office Long Term Servicing Channel Version2024 SwPlatform- HwPlatformx86
Microsoft ≫ Office Long Term Servicing Channel Version2024 SwPlatformmacos
Microsoft ≫ Word Version2016 HwPlatformx64
Microsoft ≫ Word Version2016 HwPlatformx86
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 4.42% 0.901
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secure@microsoft.com 8.4 2.5 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/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-843 Access of Resource Using Incompatible Type ('Type Confusion')

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

CWE-908 Use of Uninitialized Resource

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

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VulnDex Intel
Media Report
12.05.2026 20:20
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40364
Vendor Advisory