Microsoft PowerToys < 0.101.2632.0 Elevation of Privilege (October 2026)

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

include('compat.inc');

if (description)
{
  script_id(371346);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/26");

  script_cve_id("CVE-2026-96188");
  script_xref(name:"IAVA", value:"2026-A-1177");

  script_name(english:"Microsoft PowerToys < 0.101.2632.0 Elevation of Privilege (October 2026)");

  script_set_attribute(attribute:"synopsis", value:
"The version of Microsoft PowerToys installed on the remote host is affected by an
elevation of privilege vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Microsoft PowerToys installed on the remote host is affected by an elevation of privilege vulnerability
as referenced in the October 2026 Microsoft Security Update advisory.

  - External control of system or configuration setting in Microsoft PowerToys allows an authorized attacker to elevate
    privileges locally. An attacker who successfully exploited this vulnerability could gain administrator privileges.
    (CVE-2026-96188)

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-2026-96188");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Microsoft PowerToys version 0.101.2632.0 or later, as referenced in the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-96188");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/10/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/09/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/23");

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

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

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

  script_dependencies("microsoft_powertoys_win_installed.nbin");
  script_require_keys("installed_sw/Microsoft PowerToys");

  exit(0);
}

include('vdf.inc');

# MSRC FixedBuild for CVE-2026-96188 (October 2026 PowerToys release, v0.101.2632.0).
# Versions on the 0.102.x line are above this fixed build and are covered by the
# CVE-2026-83681 plugin (microsoft_powertoys_CVE-2026-83681.nasl).
# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [
    {'scope': 'target', 'match': {'os': 'windows'}}
  ],
  'checks': [
    {
      'product': {'name': 'Microsoft PowerToys', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        {'fixed_version': '0.101.2632.0'}
      ]
    }
  ]
};

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