CVE-2026-21260

HIGH

7.5

Description

Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie2/10/2026

Derniere modification2/11/2026

Sourcenvd

Observations honeypot0

Produits affectes

microsoft:365_appsmicrosoft:officemicrosoft:office_long_term_servicing_channelmicrosoft:outlookmicrosoft:sharepoint_server

Faiblesses (CWE)

CWE-200

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21260(secure@microsoft.com)

Correlations IOC

Aucune correlation enregistree

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