Tag
#CVE-2026-55040
2 published stories tagged with CVE-2026-55040.
Unauthenticated attackers exploit SharePoint vulnerability to bypass authentication and hijack administrative accounts
Attackers are actively exploiting a critical authentication bypass in Microsoft SharePoint. This flaw allows unauthenticated remote users to impersonate site users or administrators and modify data.
Critical SharePoint Authentication Bypass Enables Unauthenticated Remote Code Execution via Network Exploitation
A critical authentication bypass in Microsoft SharePoint allows attackers to circumvent security features over a network.