Security Updates for Azure CLI (September 2026)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(344810);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/09/11");

  script_cve_id("CVE-2026-83948");
  script_xref(name:"IAVA", value:"2026-A-0966");

  script_name(english:"Security Updates for Azure CLI (September 2026)");

  script_set_attribute(attribute:"synopsis", value:
"The Microsoft Azure CLI installation on the remote host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The Microsoft Azure CLI installation on the remote host is missing a security update. It is, therefore, affected by a
command injection vulnerability:

  - Improper neutralization of special elements used in a command ('command injection') in Microsoft Azure CLI allows
    an authorized attacker to execute code over a network. (CVE-2026-83948)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported
version number.");
  script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83948");
  script_set_attribute(attribute:"solution", value:
"Update the Azure CLI to version 2.2.1 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-83948");

  script_cwe_id(77);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/09/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/09/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/09/11");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:azure_command-line_interface");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows : Microsoft Bulletins");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("microsoft_azure_cli_installed_win.nbin");
  script_require_keys("installed_sw/Microsoft Azure CLI");
  script_require_ports(139, 445);

  exit(0);
}

include('vdf.inc');

// @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'checks': [
    {
      'product': {'name': 'Microsoft Azure CLI', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        {'min_version' : '2.0', 'fixed_version' : '2.2.1'}
      ]
    }
  ]
};

var result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_HOLE);
vdf::handle_check_and_report_errors(vdf_result:result);