Detections
Analytics
Security Updates for Microsoft Exchange Server (November 2026)
high Nessus Plugin ID 379548
Synopsis
The Microsoft Exchange Server installed on the remote host is affected by multiple vulnerabilities.Description
The Microsoft Exchange Server installed on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:- Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an authorized attacker to execute code over a network. (CVE-2026-118149)
- Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network. (CVE-2026-118150)
- External control of file name or path in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network. (CVE-2026-118151)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Apply Security Update 5133453See Also
Plugin Details
Severity: High
ID: 379548
File Name: smb_nt_ms26_nov_exchange.nasl
Version: 1.1
Type: Local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 11/12/2026
Updated: 11/12/2026
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
Percentile: 58.48
CVSS v2
Risk Factor: High
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2026-118149
CVSS v3
Risk Factor: High
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability Information
CPE: cpe:/a:microsoft:exchange_server:subscription_edition
Required KB Items: SMB/MS_Bulletin_Checks/Possible
Patch Publication Date: 11/10/2026
Vulnerability Publication Date: 11/10/2026
Reference Information
CVE: CVE-2026-118149, CVE-2026-118150, CVE-2026-118151, CVE-2026-118152, CVE-2026-118153, CVE-2026-118154, CVE-2026-118157, CVE-2026-118207, CVE-2026-118208