Security Updates for Microsoft Office Products (September 2026) (macOS)

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

include('compat.inc');

if (description)
{
  script_id(346427);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/09/16");

  script_cve_id(
    "CVE-2026-69626",
    "CVE-2026-69632",
    "CVE-2026-69671",
    "CVE-2026-69678",
    "CVE-2026-69686",
    "CVE-2026-69719",
    "CVE-2026-69722",
    "CVE-2026-69734",
    "CVE-2026-69759",
    "CVE-2026-69767",
    "CVE-2026-69797",
    "CVE-2026-72938",
    "CVE-2026-72972",
    "CVE-2026-72973",
    "CVE-2026-72974",
    "CVE-2026-72975",
    "CVE-2026-72976",
    "CVE-2026-72977",
    "CVE-2026-77898",
    "CVE-2026-77901",
    "CVE-2026-78439",
    "CVE-2026-78502",
    "CVE-2026-78503",
    "CVE-2026-78504",
    "CVE-2026-78505",
    "CVE-2026-78506",
    "CVE-2026-78507",
    "CVE-2026-78509",
    "CVE-2026-78510",
    "CVE-2026-78511",
    "CVE-2026-78512",
    "CVE-2026-78513",
    "CVE-2026-78514",
    "CVE-2026-78515",
    "CVE-2026-78517",
    "CVE-2026-78518",
    "CVE-2026-78520",
    "CVE-2026-78521",
    "CVE-2026-78524",
    "CVE-2026-78525",
    "CVE-2026-78526",
    "CVE-2026-80076",
    "CVE-2026-80078",
    "CVE-2026-80080",
    "CVE-2026-80082",
    "CVE-2026-80085",
    "CVE-2026-80086",
    "CVE-2026-80087",
    "CVE-2026-80088",
    "CVE-2026-80089",
    "CVE-2026-80090",
    "CVE-2026-80091",
    "CVE-2026-81386",
    "CVE-2026-81387",
    "CVE-2026-81388",
    "CVE-2026-81389",
    "CVE-2026-81390",
    "CVE-2026-81391",
    "CVE-2026-81392",
    "CVE-2026-81393",
    "CVE-2026-81394",
    "CVE-2026-81395",
    "CVE-2026-81396",
    "CVE-2026-81397",
    "CVE-2026-81398",
    "CVE-2026-81399",
    "CVE-2026-81400",
    "CVE-2026-81401",
    "CVE-2026-81947",
    "CVE-2026-81948",
    "CVE-2026-81949",
    "CVE-2026-81950",
    "CVE-2026-81951",
    "CVE-2026-81952",
    "CVE-2026-81953",
    "CVE-2026-81954",
    "CVE-2026-81955",
    "CVE-2026-81956",
    "CVE-2026-81957",
    "CVE-2026-81958",
    "CVE-2026-81959",
    "CVE-2026-81960",
    "CVE-2026-85875"
  );

  script_name(english:"Security Updates for Microsoft Office Products (September 2026) (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 september-16-2026 advisory.

  - Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a
    network. (CVE-2026-69678, CVE-2026-69767, CVE-2026-69797)

  - Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information over a
    network. (CVE-2026-69626)

  - Use after free in Microsoft Office allows an unauthorized attacker to execute code over a network.
    (CVE-2026-69632)

  - Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a
    network. (CVE-2026-69671, CVE-2026-72972, CVE-2026-72973, CVE-2026-78510, CVE-2026-78511, CVE-2026-78517,
    CVE-2026-78521, CVE-2026-78526, CVE-2026-80085, CVE-2026-81952)

  - Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over
    a network. (CVE-2026-69686, CVE-2026-69722, CVE-2026-69759, CVE-2026-78504)

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#september-16-2026
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8f5bccd4");
  script_set_attribute(attribute:"solution", value:
"Update to Office for Mac version 16.113 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/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:N/AC:L/PR:N/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-2026-69797");

  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:"2026/09/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/09/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/09/16");

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

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

  script_copyright(english:"This script is Copyright (C) 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' : '16.113', 'fixed_display' : 'Version 16.113 (Build 26091433)' }
];

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