8.8

CVE-2026-40420

Medienbericht

Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

Use after free in Microsoft Office allows an authorized attacker to elevate privileges 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 Version2024 SwPlatform- HwPlatformx64
Microsoft ≫ Office Long Term Servicing Channel Version2024 SwPlatform- HwPlatformx86
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.21% 0.113
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secure@microsoft.com 8.8 2 6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE-284 Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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VulnDex Intel
Media Report
12.05.2026 20:20
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40420
Vendor Advisory