CVE-2026-78509

Publié : 8 septembre 2026

Modifié : 9 septembre 2026

Lien officiel NVD

Score CVSS

9.8

CRITICAL

Description détaillée

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

Vecteur d'attaque (CVSS)

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

Références et Patchs

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78509

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