Critical Alert 3 Active Exploits Detected Today

CVE-2026-58644 — Microsoft SharePoint Deserialization of Untrusted Data Vulnerability →
CVE-2026-25089 — Fortinet FortiSandbox OS Command Injection Vulnerability →
CVE-2026-39808 — Fortinet FortiSandbox OS Command Injection Vulnerability →
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July 18, 2026

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CVE-2026-4942NVD

Vulnerability Summary

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to send a specifically crafted message and downgrade the Transport Layer Security (TLS) protocol to a version disabled in the server configuration.
Severity Level
MEDIUM(5.9)
Published Date
Jul 17, 2026
Last Modified
Jul 17, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
CWE-757: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

External References