Critical Alert 1 Active Exploit Detected Today

CVE-2026-20253 — Splunk Enterprise Missing Authentication for Critical Function Vulnerability →
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June 19, 2026

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CVE-2026-12443NVD

Vulnerability Summary

Use after free in Web Authentication in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
Severity Level
HIGH(8.8)
Published Date
Jun 17, 2026
Last Modified
Jun 18, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.50%Probability
Root Weakness (CWE)
CWE-416: 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 InteractionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

External References