01 Record

CVE-2018-8455

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory, aka "Windows Kernel Elevation of Privilege Vulnerability." This affects Windows Server 2012

UnratedPUBLISHEDCNA: microsoft

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 1.08% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 64.9% of scored records. A rank, not a probability.
NVD base score: 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2018-09-13 00:00Z8 YR AGO

Last updated

2024-08-05 06:54Z2 YR AGO

Reserved

2018-03-14

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-404Improper Resource Shutdown or ReleaseClass

Data version

5.1

Document digest

c033adcc65ae0e62f0a2522db37706c7120f382ccdd86648f58f8de7538c8819

05 Affected products

VendorProductVersionsPlatforms

MicrosoftWindows Server 2012 R2(Server Core installation)—

MicrosoftWindows RT 8.1Windows RT 8.1—

MicrosoftWindows Server 2016(Server Core installation)—

MicrosoftWindows 8.132-bit systems, x64-based systems—

MicrosoftWindows 10Version 1607 for 32-bit Systems, Version 1607 for x64-based Systems, Version 1703 for 32-bit Systems, Version 1703 for x64-based Systems, Version 1709 for 32-bit Systems, Version 1709 for x64-based Systems, Version 1803 for 32-bit Systems, Version 1803 for x64-based Systems—

MicrosoftWindows 10 Serversversion 1709 (Server Core Installation), version 1803 (Server Core Installation)—

06 References

www.securitytracker.com1041635http://www.securitytracker.com/id/1041635vdb-entryx_refsource_SECTRACK
www.securityfocus.com105211http://www.securityfocus.com/bid/105211vdb-entryx_refsource_BID
portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8455x_refsource_CONFIRM