UnratedFix available

Multiples vulnérabilités dans Microsoft Sharepoint

Microsoft published fixes for two critical vulnerabilities in SharePoint. One was reported as actively exploited, and the CERT-FR recommends applying the fixes as soon as possible.

Products: Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition
Affected versions: versions antérieures à 16.0.10417.20153, versions antérieures à 16.0.10417.20175, versions antérieures à 16.0.19725.20384, versions antérieures à 16.0.19725.20434, versions antérieures à 16.0.5556.1005, versions antérieures à 16.0.5561.1001
Fixed versions: 16.0.10417.20153, 16.0.10417.20175, 16.0.19725.20384, 16.0.19725.20434, 16.0.5556.1005, 16.0.5561.1001
CVEs: CVE-2026-50522, CVE-2026-58644
Confirmed fixed CVEs: Not specified
Updated in this feed: 31 Oct 2026, 07:22 UTC · Revision 1

Source evidence

Multiples vulnérabilités dans Microsoft Sharepoint

official-cert-fr-alerts · Original source

Published 22 Jul 2026, 00:00 UTC

Microsoft published fixes for two critical vulnerabilities in SharePoint. One was reported as actively exploited, and the CERT-FR recommends applying the fixes as soon as possible.

Microsoft a publié, entre autres, des correctifs pour deux vulnérabilités critiques affectant SharePoint.

Microsoft SharePoint Enterprise Server 2016

Fixed versions: 16.0.5556.1005, 16.0.5561.1001

Microsoft SharePoint Server 2019

Fixed versions: 16.0.10417.20153, 16.0.10417.20175

Microsoft SharePoint Server Subscription Edition

Fixed versions: 16.0.19725.20384, 16.0.19725.20434

Complete source record

{
  "id": "22caa1b4c9c0d115d834dbb69ea062899a6885929625aea3ef6bc6dc76146e1c",
  "url": "https://www.cert.ssi.gouv.fr/alerte/CERTFR-2026-ALE-008/",
  "method": "llm",
  "payload": {
    "kind": "patch",
    "title": "Multiples vulnérabilités dans Microsoft Sharepoint",
    "summary": "Microsoft published fixes for two critical vulnerabilities in SharePoint. One was reported as actively exploited, and the CERT-FR recommends applying the fixes as soon as possible.",
    "evidence": "Microsoft a publié, entre autres, des correctifs pour deux vulnérabilités critiques affectant SharePoint.",
    "products": [
      {
        "name": {
          "value": "Microsoft SharePoint Enterprise Server 2016",
          "evidence": "Microsoft SharePoint Enterprise Server 2016 versions antérieures à 16.0.5556.1005"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "16.0.5556.1005",
            "evidence": "Microsoft SharePoint Enterprise Server 2016 versions antérieures à 16.0.5556.1005"
          },
          {
            "value": "16.0.5561.1001",
            "evidence": "Microsoft SharePoint Enterprise Server 2016 versions antérieures à 16.0.5561.1001"
          }
        ],
        "affected_versions": [
          {
            "value": "versions antérieures à 16.0.5556.1005",
            "evidence": "Microsoft SharePoint Enterprise Server 2016 versions antérieures à 16.0.5556.1005"
          },
          {
            "value": "versions antérieures à 16.0.5561.1001",
            "evidence": "Microsoft SharePoint Enterprise Server 2016 versions antérieures à 16.0.5561.1001"
          }
        ]
      },
      {
        "name": {
          "value": "Microsoft SharePoint Server 2019",
          "evidence": "Microsoft SharePoint Server 2019 versions antérieures à 16.0.10417.20153"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "16.0.10417.20153",
            "evidence": "Microsoft SharePoint Server 2019 versions antérieures à 16.0.10417.20153"
          },
          {
            "value": "16.0.10417.20175",
            "evidence": "Microsoft SharePoint Server 2019 versions antérieures à 16.0.10417.20175"
          }
        ],
        "affected_versions": [
          {
            "value": "versions antérieures à 16.0.10417.20153",
            "evidence": "Microsoft SharePoint Server 2019 versions antérieures à 16.0.10417.20153"
          },
          {
            "value": "versions antérieures à 16.0.10417.20175",
            "evidence": "Microsoft SharePoint Server 2019 versions antérieures à 16.0.10417.20175"
          }
        ]
      },
      {
        "name": {
          "value": "Microsoft SharePoint Server Subscription Edition",
          "evidence": "Microsoft SharePoint Server Subscription Edition versions antérieures à 16.0.19725.20384"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "16.0.19725.20384",
            "evidence": "Microsoft SharePoint Server Subscription Edition versions antérieures à 16.0.19725.20384"
          },
          {
            "value": "16.0.19725.20434",
            "evidence": "Microsoft SharePoint Server Subscription Edition versions antérieures à 16.0.19725.20434"
          }
        ],
        "affected_versions": [
          {
            "value": "versions antérieures à 16.0.19725.20384",
            "evidence": "Microsoft SharePoint Server Subscription Edition versions antérieures à 16.0.19725.20384"
          },
          {
            "value": "versions antérieures à 16.0.19725.20434",
            "evidence": "Microsoft SharePoint Server Subscription Edition versions antérieures à 16.0.19725.20434"
          }
        ]
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-50522",
        "evidence": "CVE-2026-50522"
      },
      {
        "value": "CVE-2026-58644",
        "evidence": "CVE-2026-58644"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-cert-fr-alerts",
  "document_id": 23317,
  "published_at": "2026-07-22T00:00:00+00:00"
}