CVE-2026-55040 in microsoft sharepoint server
LogPulse has a published detection rule for this CVE: it raises a notable when someone tries to exploit it.
What the vulnerability is
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
Affected software: microsoft sharepoint server
Scores
- CVSS: 9.1 (critical)
- EPSS: 69.54% chance of exploitation in the next 30 days
- CISA KEV: Known exploited, listed 2026-08-18
- Published: 2026-07-14
What LogPulse has for it
- Detection rule: Yes, published
- Agent check (vulnerable version): No
- Mitigation: No
Source data: NIST NVD, CISA KEV and FIRST EPSS. LogPulse processes new CVEs every hour.
We build every detection with great care, but no two environments are the same. Log sources, parsing and configuration differ, so test a detection in your own environment before you rely on it.