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01 Record

CVE-2018-8533

An information disclosure vulnerability exists in Microsoft SQL Server Management Studio (SSMS) when parsing malicious XML content containing a reference to an external entity, aka "SQL Server

UnratedPUBLISHEDCNA: microsoft
CNA base scoreUnratedNo CNA CVSS vector

02 Description

An information disclosure vulnerability exists in Microsoft SQL Server Management Studio (SSMS) when parsing malicious XML content containing a reference to an external entity, aka "SQL Server

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
23.37% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 97.6% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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
2018-10-10 13:00Z8 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
  • CWE-611Improper Restriction of XML External Entity ReferenceBase
Data version
5.1
Document digest
2413bf49dd627f73a82106b7479328d99033be65d74c6829bdbd6f6dabfb54ce

05 Affected products

VendorProductVersionsPlatforms
MicrosoftSQL Server Management Studio 17.9SQL Server Management Studio 17.9—
MicrosoftSQL Server Management Studio 18.0(Preview 4)—

06 References