July 28, 2026

CVE Watchtower


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CVE-2026-5426NVD

Vulnerability Summary

Hard-coded ASP.NET/IIS machineKey value in Digital Knowledge KnowledgeDeliver deployments prior to February 24, 2026 allows adversaries to circumvent ViewState validation mechanisms and achieve remote code execution via malicious ViewState deserialization attacks
Severity Level
CRITICAL(9.1)
Published Date
Apr 16, 2026
Last Modified
May 26, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
1.01%Probability
Root Weakness (CWE)
CWE-321: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone

External References