Jul 2026: Microsoft SharePoint Server Security Feature Bypass Vulnerability
CVE-2026-55040 Published on July 14, 2026
Microsoft SharePoint Server Security Feature Bypass Vulnerability
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
Weakness Type
CWE-1390
Products Associated with CVE-2026-55040
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Affected Versions
Microsoft SharePoint Enterprise Server 2016:- Version 16.0.0 and below 16.0.5561.1001 is affected.
- Version 16.0.0 and below 16.0.10417.20175 is affected.
- Version 16.0.0 and below 16.0.19725.20434 is affected.
Exploit Probability
EPSS
1.35%
Percentile
68.55%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.