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01 Record

CVE-2018-8550

An elevation of privilege exists in Windows COM Aggregate Marshaler, aka "Windows COM Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows

UnratedPUBLISHEDCNA: microsoft
CNA base scoreUnratedNo CNA CVSS vector

02 Description

An elevation of privilege exists in Windows COM Aggregate Marshaler, aka "Windows COM Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows

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
3.29% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 88.4% 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
2018-11-14 01:00Z7 YR AGO
Last updated
2024-08-05 07:02Z2 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
No CWE assigned
Data version
5.1
Document digest
516206b15fb41c56aae162321adb665b11b93c945baad1c26c20a2e037ea6e76

05 Affected products

VendorProductVersionsPlatforms
microsoftwindows_10Not specified—
microsoftwindows_7Not specified—
microsoftwindows_8.1Not specified—
microsoftwindows_rt_8.1Not specified—
microsoftwindows_server_2008Not specified—
microsoftwindows_server_2012Not specified—
microsoftwindows_server_2016Not specified—
microsoftwindows_server_2019Not specified—

06 References