Microsoft Visual Studio Products (April 2026)

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

include('compat.inc');

if (description)
{
  script_id(307351);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/20");

  script_cve_id("CVE-2026-32631");
  script_xref(name:"IAVA", value:"2026-A-0347");

  script_name(english:"Microsoft Visual Studio Products (April 2026)");

  script_set_attribute(attribute:"synopsis", value:
"The Microsoft Visual Studio Products are affected by an information disclosure vulnerability.");
  script_set_attribute(attribute:"description", value:
"The Microsoft Visual Studio Products are missing a security update.
It is, therefore, affected by an information disclosure vulnerability:

  - It is possible to obtain a user's NTLM hash by tricking them into cloning a
    malicious repository, or checking out a malicious branch that
    accesses an attacker-controlled server. By default, NTLM
    authentication does not need any user interaction. GitHub
    created this CVE on their behalf. The documented Visual Studio
    updates incorporate updates in Git which address this
    vulnerability.

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-2026-32631");
  script_set_attribute(attribute:"see_also", value:"https://learn.microsoft.com/en-us/visualstudio/releases/2019/history");
  # https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-history
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f0f0c75d");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released the following security updates to address this issue:
    - Update to 15.9.79 for Visual Studio 2017 15.9
    - Update to 16.11.55 for Visual Studio 2019 16.11
    - Update to 17.12.19 for Visual Studio 2022 17.12
    - Update to 17.14.30 for Visual Studio 2022 17.14");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-32631");

  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:"2026/04/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/04/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/04/17");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:visual_studio");
  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("ms_bulletin_checks_possible.nasl", "microsoft_visual_studio_installed.nbin");
  script_require_keys("SMB/MS_Bulletin_Checks/Possible", "installed_sw/Microsoft Visual Studio", "SMB/Registry/Enumerated");
  script_require_ports(139, 445, "Host/patch_management_checks");

  exit(0);
}

include('vcf_extras_visual_studio.inc');

get_kb_item_or_exit('SMB/Registry/Enumerated');

var app_info = vcf::visual_studio::get_app_info();

var constraints = [
    {'product': '2017', 'min_version': '15.0', 'fixed_version': '15.9.79'},
    {'product': '2019', 'min_version': '16.0', 'fixed_version': '16.11.37206.5', 'fixed_display': '16.11.55'},
    {'product': '2022', 'min_version': '17.12', 'fixed_version': '17.12.37202.15', 'fixed_display': '17.12.19'},
    {'product': '2022', 'min_version': '17.14', 'fixed_version': '17.14.37203.1', 'fixed_display': '17.14.30'}
];

vcf::visual_studio::check_version_and_report(
  app_info: app_info,
  constraints: constraints,
  severity: SECURITY_HOLE
);