IOC Radar
CVEHighVerifiedSignal 59/100EPSS 0.6%

CVE-2026-42055

First Seen
Jun 19, 2026
Last Seen
Jun 20, 2026
Jun 19
First Seen
1d ago
Jun 20
Last Seen
today
3
Reports
source reports
75%
Confidence
high
Found in 3 reports. Confidence: high. · Confidence scores are heuristic. Verify before acting on results.
CVE
Known vulnerability being actively exploited in the wild.
MISP Category
vulnerability
EPSS Score
0.64%
EPSS Percentile
45.7th
Confidence
75%
Signal Score
59 / 100
IDS Rule
No
CVE Intelligence
Exploit Probability0.64%
45.7th percentile of all CVEs
Threat Context
Threat Actors1
UUNC6395
Tags

Feed Intelligence Summary

3 reports75% confidence
SP
SOC Prime
Yesterday
CVE-2026-42530: Critical NGINX HTTP/3 Flaw Can Trigger DoS and Possible RCE
2 IOCs in report
HA
HawkEye
Yesterday
Weekly Threat Landscape Digest – Week 25
45 IOCs in report
CP
Cyber Press
2d ago
Critical NGINX Flaw Fixed by F5 Allows Code Execution and Service Disruption
6 IOCs in report

Activity Timeline

3 total obs
Jun 19Jun 18

Threat Activity Heatmap

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24h
0
Dormant
7d
3
Moderate
30d
3
Moderate
3mo
3
Moderate
Threat ScoreMedium Risk
59
SIGNAL
Signal Score
75%
Confidence
3
Reports
First seenJun 19, 2026
Last seenJun 20, 2026
Verified IOC

VirusTotal

Not checked

Export & API

STIX 2.1 Bundle
CSV Export
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IOC Journey

high
First detected 1 day ago · Last seen today
Appeared in 3 threat reports from 3 sources
Associated with: UNC6395