Security Updates for Microsoft Office Products (October 2025) (macOS)

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

include('compat.inc');

if (description)
{
  script_id(274405);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/21");

  script_cve_id(
    "CVE-2025-59221",
    "CVE-2025-59222",
    "CVE-2025-59223",
    "CVE-2025-59224",
    "CVE-2025-59225",
    "CVE-2025-59227",
    "CVE-2025-59231",
    "CVE-2025-59232",
    "CVE-2025-59233",
    "CVE-2025-59234",
    "CVE-2025-59235",
    "CVE-2025-59236"
  );
  script_xref(name:"IAVA", value:"2025-A-0756-S");
  script_xref(name:"IAVA", value:"2025-A-0759-S");
  script_xref(name:"IAVA", value:"2025-A-0763-S");
  script_xref(name:"IAVA", value:"2025-A-0755-S");
  script_xref(name:"IAVA", value:"2025-A-0762-S");

  script_name(english:"Security Updates for Microsoft Office Products (October 2025) (macOS)");

  script_set_attribute(attribute:"synopsis", value:
"The Microsoft Office product installed on the remote host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Microsoft Office for Mac installed on the remote host is affected by multiple vulnerabilities as
referenced in the October 2025 advisory, including:

  - Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. (CVE-2025-59236)

  - Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. (CVE-2025-59222)

  - Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. (CVE-2025-59227)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://learn.microsoft.com/en-us/officeupdates/release-notes-office-for-mac
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e3e1857a");
  script_set_attribute(attribute:"solution", value:
"Update to Microsoft Office for Mac 2021 or 2024 version 16.102 or later.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-59236");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/10/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/10/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/11/07");

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

  script_category(ACT_GATHER_INFO);
  script_family(english:"MacOS X Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("macosx_office_installed.nbin");
  script_require_keys("Host/MacOSX/Version");
  script_require_ports("installed_sw/Microsoft Outlook", "installed_sw/Microsoft Excel", "installed_sw/Microsoft Word", "installed_sw/Microsoft PowerPoint", "installed_sw/Microsoft OneNote");

  exit(0);
}

include('vcf_extras_office.inc');

var apps = make_list(
  'Microsoft Outlook',
  'Microsoft Excel',
  'Microsoft Word',
  'Microsoft PowerPoint',
  'Microsoft OneNote'
);

var app_info = vcf::microsoft::office_for_mac::get_app_info(apps:apps);

var constraints = [
  { 'fixed_version' : '16.102', 'fixed_display' : 'Version 16.102 (Build 25101223)' }
];

vcf::microsoft::office_for_mac::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_WARNING
);