Cyber Intelligence

Attackers Exploit SharePoint Authentication Bypass After Public PoC Release

Medium Severity Global
Date Occurred Aug 13, 2026 06:09 UTC
Event Type Cyber Intelligence
Source TheHackerNews
Recorded Aug 13, 2026
Full Description

Threat actors have begun to exploit a newly disclosed Microsoft SharePoint vulnerability following the release of a proof-of-concept (PoC) code. The vulnerability in question is CVE-2026-55040 (CVSS

Event Metadata
  • ID #23386
  • Type Cyber Intelligence
  • Region Global
  • Severity Medium
  • Indexed Aug 13, 2026