PT-2026-87193 · Microsoft · Exchange Server+3

CVE-2026-55007

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Publicado

2026-09-08

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Atualizado

2026-09-10

CVSS v3.1

8.1

Alta

VetorAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
🚨 On-prem Exchange has another “please patch immediately” moment: CVE-2026-55007 lets unauthenticated attackers execute code remotely. Double-free memory bugs: free once, panic twice. https://t.co/0McWeFeyWd #MicrosoftSecurity #Msrc #Cve202655007 https://t.co/4SZ9ynrPay

Correção

RCE

Double Free

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Enumeração de Fraquezas

Identificadores relacionados

CVE-2026-55007

Produtos afetados

Exchange Server
Exchange Server 2019 Cumulative Update 14
Exchange Server 2019 Cumulative Update 15
Exchange Server Subscription Edition Rtm