Cyber security
SharePoint CVE-2026-55040 auth bypass exploited after PoC
CVE-2026-55040 is a CVSS 9.1 SharePoint authentication bypass patched in July. Attackers are exploiting it now after Rapid7 released a PoC on August 11.
3 stories tagged sharepoint.
CVE-2026-55040 is a CVSS 9.1 SharePoint authentication bypass patched in July. Attackers are exploiting it now after Rapid7 released a PoC on August 11.
CVE-2026-50522 is a critical SharePoint RCE flaw with CVSS 9.8 that attackers exploit to steal machine keys for persistence after patching.
SharePoint CVE-2026-45659 is an actively exploited RCE risk in CISA KEV. Patch exposed servers and check compromise now.