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SQL Server

CVE-2023-36728 — Microsoft SQL Server Denial of Service Vulnerability

Important CVSS 5.5 EPSS 0.00851 2023-10 archive

Executive Summary

None

Overview

5.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Denial of Service
Released Oct 10 2023
Last Updated Oct 10 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00851 — 0.53363 percentile
NVD CVSS 5.5 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
None
INTEGRITY
None
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 4.8

EPSS Score

0.00851
probability of exploitation in the next 30 days
0.53363 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

20 affected products
Product KB Article Severity Impact Restart Required
Microsoft ODBC Driver 17 for SQL Server on Linux Release Notes (Security Update) Important Denial of Service Maybe
Microsoft ODBC Driver 17 for SQL Server on MacOS Release Notes (Security Update) Important Denial of Service Maybe
Microsoft ODBC Driver 17 for SQL Server on Windows Release Notes (Security Update) Important Denial of Service Maybe
Microsoft ODBC Driver 18 for SQL Server on Linux Release Notes (Security Update) Important Denial of Service Maybe
Microsoft ODBC Driver 18 for SQL Server on MacOS Release Notes (Security Update) Important Denial of Service Maybe
Microsoft ODBC Driver 18 for SQL Server on Windows Release Notes (Security Update) Important Denial of Service Maybe
Microsoft OLE DB Driver 18 for SQL Server Release Notes (Security Update) Important Denial of Service Maybe
Microsoft OLE DB Driver 19 for SQL Server Release Notes (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2014 Service Pack 3 for 32-bit Systems (CU 4) 5029185 (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2014 Service Pack 3 for 32-bit Systems (GDR) 5029184 (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2014 Service Pack 3 for x64-based Systems (CU 4) 5029185 (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2014 Service Pack 3 for x64-based Systems (GDR) 5029184 (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR) 5029186 (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature Pack 5029187 (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2017 for x64-based Systems (CU 31) 5029376 (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2017 for x64-based Systems (GDR) 5029375 (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2019 for x64-based Systems (CU 22) 5029378 (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2019 for x64-based Systems (GDR) 5029377 (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2022 for x64-based Systems (CU 8) 5029503 (Security Update) Important Denial of Service Maybe
Microsoft SQL Server 2022 for x64-based Systems (GDR) 5029379 (Security Update) Important Denial of Service Maybe

Patches

11 patches
Article Type Restart
Release Notes Security Update Maybe
5029185 Security Update Maybe
5029184 Security Update Maybe
5029186 Security Update Maybe
5029187 Security Update Maybe
5029376 Security Update Maybe
5029375 Security Update Maybe
5029378 Security Update Maybe
5029377 Security Update Maybe
5029503 Security Update Maybe
5029379 Security Update Maybe

Known Exploits

Acknowledgments

VictorV(Tang tianwen)

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