7.5

CVE-2026-21511

Microsoft Outlook Spoofing Vulnerability

Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
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 ≫ Sharepoint Server SwEditionsubscription Version < 16.0.19127.20518
Microsoft ≫ Sharepoint Server Version2016 SwEditionenterprise
Microsoft ≫ Sharepoint Server Version2019
Microsoft ≫ Word Version2016 HwPlatformx64
Microsoft ≫ Word 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% 0.574
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secure@microsoft.com 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.