KEV Intelligence

Early exploitation intelligence

Known Exploited Vulnerabilities Feed

Browse early exploitation warnings with confidence scoring, proprietary sensor telemetry where available, CISA KEV status, and practical detection artifacts for vulnerability management, CTI, SOC, and MSSP workflows.

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Total KEVs
2,750
Known exploited vulnerabilities tracked by KEV Intelligence
Beyond CISA KEV
1,079
Additional exploited CVEs beyond the official catalog
Observed in Sensors
66
Tracked KEVs with sensor activity in the last 7 days
Artifacts Available
1,728+
PoC, Nuclei, Metasploit, and virtual patch context

Explore the KEV Intelligence Feed

Filter known exploited vulnerabilities by evidence confidence, CISA status, sensor activity, recency, vendor, and available artifacts.

All KEVs 2,750 Beyond CISA 1,079 Observed 66 High confidence With artifacts 1,728+
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Displaying vulnerabilities 2226 - 2250 of 2750 in total

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CVE-2023-36563

Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 Service Pack 2 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 R2 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)

Microsoft
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
Nessus
CVE-2023-41763

Skype for Business Server 2015 CU13, Skype for Business Server 2019 CU7

Microsoft
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
PoC Nuclei
CVE-2023-20109

IOS, Cisco IOS XE Software

Cisco
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
Nessus
CVE-2023-21608

Acrobat Reader

Adobe
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
Nessus
CVE-2023-20198

Cisco IOS XE Software

Cisco
Confirmed
CISA
In catalog
Sensors
Observed
Added
over 1 year ago
Artifacts
PoC Nuclei Nessus
CVE-2023-4966

NetScaler ADC, NetScaler Gateway

Citrix
Confirmed
CISA
In catalog
Sensors
Observed
Added
over 1 year ago
Artifacts
PoC Nuclei
CVE-2023-20273

Cisco IOS XE Software

Cisco
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
PoC
CVE-2023-5631

Roundcubemail

Roundcube
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
Nessus
CVE-2023-46747

BIG-IP

F5
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
PoC Nuclei
CVE-2023-46748

BIG-IP

F5
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
Nessus
CVE-2023-22518

Confluence Data Center, Confluence Server

Atlassian
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
PoC Nuclei
CVE-2023-29552

Service Location Protocol (SLP)

VMware
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
Nessus
CVE-2023-36036

Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 Service Pack 2 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 R2 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation), Windows 11 version 22H3, Windows Server 2022, 23H2 Edition (Server Core installation), Windows 11 Version 23H2

Microsoft
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
Nessus
CVE-2023-36025

Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 11 version 22H3, Windows 11 Version 23H2, Windows Server 2022, 23H2 Edition (Server Core installation), Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 Service Pack 2 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 R2 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)

Microsoft
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
Nessus
CVE-2023-36033

Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 11 version 22H3, Windows 11 Version 23H2, Windows Server 2022, 23H2 Edition (Server Core installation)

Microsoft
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
Nessus
CVE-2023-1671

Sophos Web Appliance

Sophos
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
PoC Nuclei
CVE-2023-36584

Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 Service Pack 2 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 R2 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)

Microsoft
Confirmed
CISA
In catalog
Sensors
—
Added
over 1 year ago
Artifacts
Nessus

What Are Known Exploited Vulnerabilities?

Known exploited vulnerabilities are CVEs with credible evidence of real-world exploitation. They help security teams move beyond severity-only prioritization and focus remediation on vulnerabilities attackers are actually using.

For a deeper definition, see What Is a Known Exploited Vulnerability?.

Sensor-Led Early Warning

KEV Intelligence uses proprietary sensors and private honeypots to observe exploitation attempts, corroborates those signals with vendor advisories and relevant public evidence, and keeps CISA KEV status as context.

Compare with CISA KEV →

Evidence You Can Act On

Each warning can include confidence, evidence links, exploitation status, EPSS, CVSS, CWE, proof-of-concept references, scanner templates, and sensor telemetry where available.

Read the methodology →

Consume the Data in Your Workflow

Browse the live feed, subscribe via RSS, pull the free JSON feed, or use the Pro API for deeper evidence, available telemetry summaries, virtual patches, and integration-ready delivery.

RSS feed JSON feed API integrations

Known Exploited Vulnerability Feed FAQ

How KEV Intelligence observes, validates, and delivers early exploitation warnings.

What is a known exploited vulnerability?

A known exploited vulnerability is a CVE with credible evidence that attackers have exploited it in real-world conditions, rather than a vulnerability assessed only through theoretical severity. See also What Is a Known Exploited Vulnerability?.

How does KEV Intelligence differ from the CISA KEV Catalog?

CISA KEV is the baseline. KEV Intelligence complements it with proprietary sensor and honeypot observations, then corroborates warnings with vendor advisories and relevant public evidence — with confidence and inspectable provenance attached. Browse known exploited vulnerabilities not in CISA KEV or compare with CISA KEV.

What does observed in sensors mean?

It means KEV Intelligence honeypots recorded activity associated with exploitation attempts for that vulnerability. Sensor observations complement, rather than replace, the wider evidence and confidence model. Explore live telemetry on Exploitation Signals.

Can teams consume the feed through RSS or an API?

Yes. KEV Intelligence provides a free RSS feed, a free JSON feed, and a Pro API for deeper evidence, available telemetry, and integration-oriented workflows. See API & Integrations and API docs.

Early warning alerts

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