IOC Radar
CVEHighVerifiedSignal 62/100EPSS 69.7%

CVE-2026-1340

First Seen
Jun 3, 2026
Last Seen
Jun 3, 2026
Jun 3
First Seen
2d ago
Jun 3
Last Seen
yesterday
4
Reports
source reports
77%
Confidence
high
Found in 4 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
69.72%
EPSS Percentile
98.7th
Confidence
77%
Signal Score
62 / 100
IDS Rule
No
CVE Intelligence
Exploit Probability69.72%
98.7th percentile of all CVEs
Threat Context
Threat Actors1
AAPT28
Malware Families2
MMiraiMMedusa
Tags

Feed Intelligence Summary

4 reports77% confidence
RF
Recorded Future Blog
May 15, 2026
April 2026 CVE Landscape
33 IOCs in report
RF
Recorded Future Blog
May 15, 2026
April 2026 CVE Landscape
33 IOCs in report
HA
HawkEye
May 8, 2026
Weekly Threat Landscape Digest – Week 19
65 IOCs in report
RF
Recorded Future Blog
Feb 24, 2026
January 2026 CVE Landscape: 23 Critical Vulnerabilities Mark 5% Increase, APT28 Exploits Microsoft Office Zero-Day
30 IOCs in report

Activity Timeline

4 total obs
May 15Feb 24

Threat Activity Heatmap

· Peak: 2026-05-15
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24h
0
Dormant
7d
0
Dormant
30d
3
Moderate
3mo
3
Moderate
Threat ScoreMedium Risk
62
SIGNAL
Signal Score
77%
Confidence
4
Reports
First seenJun 3, 2026
Last seenJun 3, 2026
Verified IOC

VirusTotal

Not checked

Export & API

STIX 2.1 Bundle
CSV Export
Permalink

IOC Journey

high
First detected 2 days ago · Last seen 1 day ago
Appeared in 4 threat reports from 4 sources
Associated with: APT28
Used by malware: Mirai, Medusa