5.5

CVE-2026-55138

Microsoft Excel Information Disclosure Vulnerability

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information 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 0.35% 0.267
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE-822 Untrusted Pointer Dereference

The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55138
Vendor Advisory