IOC Radar
CVEMediumSignal 51/100EPSS 25.0%

CVE-2026-21513

First Seen
Jun 3, 2026
Last Seen
Jun 3, 2026
Jun 3
First Seen
2d ago
Jun 3
Last Seen
2d ago
1
Reports
source reports
70%
Confidence
medium
Found in 1 report. Confidence: medium. · Confidence scores are heuristic. Verify before acting on results.
CVE
Known vulnerability being actively exploited in the wild.
MISP Category
vulnerability
EPSS Score
24.96%
EPSS Percentile
96.3th
Confidence
70%
Signal Score
51 / 100
IDS Rule
No
CVE Intelligence
Exploit Probability24.96%
96.3th percentile of all CVEs
Threat Context
Threat Actors2
AAPT28UUNC6201
Malware Families2
MMetasploitCCobalt Strike
Tags

Feed Intelligence Summary

1 report70% confidence
RF
Recorded Future Blog
Mar 12, 2026
February 2026 CVE Landscape: 13 Critical Vulnerabilities Mark 43% Drop from January
22 IOCs in report

Activity Timeline

1 total obs
Mar 12Mar 12

Threat Activity Heatmap

· Peak: 2026-03-12
Less
More
Mon
Wed
Fri
Jun
·
·
·
·
Jul
·
·
·
Aug
·
·
·
Sep
·
·
·
·
Oct
·
·
·
Nov
·
·
·
Dec
·
·
·
·
Jan
·
·
·
Feb
·
·
·
Mar
·
·
·
·
Apr
·
·
·
May
·
·
·
24h
0
Dormant
7d
0
Dormant
30d
0
Dormant
3mo
1
Minimal
Threat ScoreMedium Risk
51
SIGNAL
Signal Score
70%
Confidence
1
Reports
First seenJun 3, 2026
Last seenJun 3, 2026

VirusTotal

Not checked

Export & API

STIX 2.1 Bundle
CSV Export
Permalink

IOC Journey

medium
First detected 2 days ago · Last seen 2 days ago
Appeared in 1 threat report from 1 source
Associated with: APT28, UNC6201
Used by malware: Metasploit, Cobalt Strike