Is CVE-2018-8611 in the CISA KEV catalog?

Yes. CVE-2018-8611 is on the CISA Known Exploited Vulnerabilities list, added 2022-05-24.

What is the CVSS severity of CVE-2018-8611?

CVE-2018-8611 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2018-8611?

CVE-2018-8611 has an EPSS score of 4.20% (90th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2018-8611

HIGHCISA KEVEPSS 90th pctl

7.8

CVSS v3

NVD

Description

An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka "Windows Kernel Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

CWE-404

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

4.20%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft Windows Kernel Privilege Escalation Vulnerability

A privilege escalation vulnerability exists when the Windows kernel fails to properly handle objects in memory.

Apply updates per vendor instructions.

Remediation due: 2022-06-14

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-29.