Detections
Analytics
Security Updates for Microsoft SQL Server (July 2026)
high Nessus Plugin ID 326864
Synopsis
The Microsoft SQL Server installation on the remote host is affected by multiple vulnerabilities.Description
The Microsoft SQL Server installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:- Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
(CVE-2026-47295)
- Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges locally.
(CVE-2026-47296)
- Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.
(CVE-2026-50468)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Microsoft has released the following security updates to address this issue:-KB5101346
-KB5101347
-KB5102333
-KB5102334
-KB5102335
-KB5102336
-KB5102337
-KB5102338
-KB5102339
-KB5102340
See Also
https://support.microsoft.com/help/5101346
https://support.microsoft.com/help/5101347
https://support.microsoft.com/help/5102333
https://support.microsoft.com/help/5102334
https://support.microsoft.com/help/5102335
https://support.microsoft.com/help/5102336
https://support.microsoft.com/help/5102337
https://support.microsoft.com/help/5102338
Plugin Details
Severity: High
ID: 326864
File Name: smb_nt_ms26_jul_mssql.nasl
Version: 1.2
Type: Local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 7/14/2026
Updated: 7/15/2026
Configuration: Enable thorough checks (optional)
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
Percentile: 58.11
CVSS v2
Risk Factor: High
Base Score: 9
Temporal Score: 6.7
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2026-54118
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS Score Source: CVE-2026-54117
Vulnerability Information
CPE: cpe:/a:microsoft:sql_server
Required KB Items: SMB/MS_Bulletin_Checks/Possible
Exploit Ease: No known exploits are available
Patch Publication Date: 7/14/2026
Vulnerability Publication Date: 7/14/2026
Reference Information
CVE: CVE-2026-47295, CVE-2026-47296, CVE-2026-50468, CVE-2026-54116, CVE-2026-54117, CVE-2026-54118, CVE-2026-55002