CISA Urges SharePoint Hardening After New Exploitations

CISA Urges SharePoint Hardening After New Exploitations
Advisory ID: node-25148
Update July 16, 2026 :  CISA has updated this Alert to reflect the addition of CVE-2026-58644 to its Known Exploited Vulnerabilities (KEV) Catalog on July 16, 2026. CISA is aware of active exploitation of vulnerabilities CVE-2026-32201 , CVE-2026-45659 , CVE-2026-56164 , and CVE-2026-58644 , enabling cyber threat actors to gain unauthorized access to on-premises SharePoint Server instances. These 
Severity: moderate
Published (UTC): 2026-07-14T12:00:00.000Z
Source: CERT
Original source: https://www.cisa.gov/news-events/alerts/2026/07/14/cisa-urges-sharepoint-hardening-after-new-exploitations