Critical Alert 1 Active Exploit Detected Today

CVE-2026-45659 Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability →
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CVE-2026-27436NVD

Vulnerability Summary

Editor Arbitrary Code Execution in Five Star Business Profile and Schema <= 2.3.19 versions.
Severity Level
CRITICAL(9.1)
Published Date
Jul 2, 2026
Last Modified
Jul 2, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended syntax or behavior.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh