CVE-2026-55040
HighPoC Released
2 articles mention this CVE.
- HighVulnerabilityResearch
Attackers Exploit SharePoint Authentication Bypass After Public PoC Release
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 score: 9.1), which r
The Hacker NewsFull article → - MediumVulnerability
Rapid7 Analysis: Microsoft SharePoint JWT Token Authentication Bypass (CVE-2026-55040)
Overview On July 14, 2026, Rapid7 and Microsoft disclosed CVE-2026-55040, an authentication bypass vulnerability affecting Microsoft SharePoint. Today we are publishing a technical analysis of the vulnerability along wit
Rapid7Full article →