WEB Microsoft SharePoint Server Auth Bypass Vulnerability (CVE-2026-55040)

Rule ID

1238814

Severity

Critical

Description

Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.

Impact

Policy bypass

Recommendation

Update vendor's patch.

IPS Category

Web threats

IPS Anomaly Group

N/A

IPS Rule Default Action

Allow

References

CVE-2026-55040

T1210

T0866

T1068

Keywords

N/A

Date Created

2026/08/12

Last Updated

2026/09/01