Critical Alert 4 Active Exploits Detected Today

CVE-2026-33824 Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability →
CVE-2026-59310 Broadcom VMware vCenter Path Traversal Vulnerability →
CVE-2026-55040 Microsoft SharePoint Weak Authentication Vulnerability →
CVE-2026-65400 Apple macOS Improper Authentication Vulnerability →
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August 19, 2026

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CVE-2026-20318NVD

Vulnerability Summary

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-20318 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) CWE-20.
Severity Level
CRITICAL(9.6)
Published Date
Aug 19, 2026
Last Modified
Aug 19, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityNone
IntegrityHigh
AvailabilityHigh