Vulnerability intelligence
CVE-2026-5426
Official description is being retrieved from NVD — refresh shortly.
CVSS Score
7.5
High
EPSS — Exploit Probability
0.0%
Riskier than 0% of all CVEs
Exploitation
Not in CISA KEV
No federal exploitation record
Remediation
unknown
Check vendor advisories
3 articles across 3 outlets · first covered May 25, 2026 · latest May 26, 2026
Coverage timeline
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Hackers Exploited KnowledgeDeliver Zero-Day for Web Shell Deploymentwww.securityweek.com · May 26, 2026
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CVE-2026-5426 Flaw Lets Attackers Hijack Knowledge Deliver LMSsecurityonline.info · May 25, 2026
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KnowledgeDeliver hit by CVE-2026-5426, allowing RCE attackscloud.google.com · May 25, 2026