CVE-2026-55040

Radar advisories

• 2026-07-14 CISA CISA Urges SharePoint Hardening After New Exploitations Active exploitation of CVE-2026-32201, CVE-2026-45659, and CVE-2026-56164 is targeting on-premises SharePoint Server.

Named alongside

• CVE-2026-32201
• CVE-2026-45659
• CVE-2026-56164
• CVE-2026-58644

References

• NVD ↗
• CVE.org ↗