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Technical advisory

AL26-017 - Critical vulnerabilities impacting Microsoft SharePoint Server – CVE-2026-56164, CVE-2026-55040 and CVE-2026-58644

Official source
EudorIA operational summary

What it means

Priority 85/100

Canadian Centre for Cyber Security (Canada) ha pubblicato l'advisory "AL26-017 - Critical vulnerabilities impacting Microsoft SharePoint Server – CVE-2026-56164, CVE-2026-55040 and CVE-2026-58644". Occorre verificarne l'applicabilita rispetto a prodotti e servizi in uso.

Why it matters

Un advisory attendibile puo richiedere verifiche, aggiornamenti o mitigazioni, ma l'applicabilita va confermata sul perimetro reale.

Recommended actions

  1. Verificare tecnologie, versioni e servizi interessati nel proprio inventario.
  2. Consultare la fonte originale prima di pianificare la mitigazione.
AudienceITSOCCISO
Source text not acquired. This record contains only the title and available metadata. Consult the original source for the full content.
Source
Canadian Centre for Cyber Security (Canada)
Publishing entity
Canadian Centre for Cyber Security
Entity type
National CSIRT
Area
North America · CA
Original language
en · translation in preparation
Publication
15/07/2026 20:09
CVE
CVE-2026-56164, CVE-2026-55040, CVE-2026-58644
Classification
Critical
Stated country
CA
Technical scope

Affected products and versions

Verification in progress
Information not yet acquired.

The collector will check NVD and the available official vendor advisories.

Open the original source