Collaboration & Messaging

Security Notices
CVE-2026-56164: SharePoint missing-authentication privilege escalationNew!!
09/17/2026

CISA lists CVE-2026-56164 as exploited. TechGeeks action notice for SharePoint missing-authentication privilege escalation, with scope, remediation, investigation guidance, and official sources.

Read more
Security Notices
CVE-2026-55040: SharePoint authentication bypassNew!!
09/17/2026

CISA lists CVE-2026-55040 as exploited. TechGeeks action notice for SharePoint authentication bypass, with scope, remediation, investigation guidance, and official sources.

Read more
Security Notices
CVE-2026-76461: Cisco Secure Email Gateway crafted-email root command executionNew!!
09/17/2026

CISA lists CVE-2026-76461 as exploited. TechGeeks action notice for Cisco Secure Email Gateway crafted-email root command execution, with scope, remediation, investigation guidance, and official sources.

Read more