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

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

include('compat.inc');

if (description)
{
  script_id(365982);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/14");

  script_cve_id(
    "CVE-2026-70096",
    "CVE-2026-70206",
    "CVE-2026-70215",
    "CVE-2026-70220",
    "CVE-2026-70254",
    "CVE-2026-70257",
    "CVE-2026-70263",
    "CVE-2026-70268",
    "CVE-2026-70269",
    "CVE-2026-70281",
    "CVE-2026-70287",
    "CVE-2026-70291",
    "CVE-2026-70301",
    "CVE-2026-70302",
    "CVE-2026-77902",
    "CVE-2026-83891",
    "CVE-2026-88144",
    "CVE-2026-88145",
    "CVE-2026-88150",
    "CVE-2026-88156",
    "CVE-2026-88167",
    "CVE-2026-88169",
    "CVE-2026-88175",
    "CVE-2026-88178",
    "CVE-2026-88183",
    "CVE-2026-88184",
    "CVE-2026-88185",
    "CVE-2026-88186",
    "CVE-2026-88192",
    "CVE-2026-88196",
    "CVE-2026-88197",
    "CVE-2026-88202",
    "CVE-2026-88207",
    "CVE-2026-88210",
    "CVE-2026-96995",
    "CVE-2026-96997",
    "CVE-2026-97001",
    "CVE-2026-97003",
    "CVE-2026-97004",
    "CVE-2026-97005",
    "CVE-2026-97007",
    "CVE-2026-97008",
    "CVE-2026-97010",
    "CVE-2026-97011",
    "CVE-2026-97017",
    "CVE-2026-97738",
    "CVE-2026-97739",
    "CVE-2026-97740",
    "CVE-2026-97741",
    "CVE-2026-97742",
    "CVE-2026-97743",
    "CVE-2026-97744",
    "CVE-2026-97745",
    "CVE-2026-97746",
    "CVE-2026-97747",
    "CVE-2026-97748",
    "CVE-2026-97750",
    "CVE-2026-97751",
    "CVE-2026-97752",
    "CVE-2026-97753",
    "CVE-2026-97754",
    "CVE-2026-97755",
    "CVE-2026-97756",
    "CVE-2026-97757",
    "CVE-2026-97758",
    "CVE-2026-97759",
    "CVE-2026-97760",
    "CVE-2026-97761",
    "CVE-2026-97762",
    "CVE-2026-97763",
    "CVE-2026-97765",
    "CVE-2026-97766",
    "CVE-2026-97767",
    "CVE-2026-97768",
    "CVE-2026-97769",
    "CVE-2026-97770",
    "CVE-2026-97771",
    "CVE-2026-97772",
    "CVE-2026-97773",
    "CVE-2026-97775",
    "CVE-2026-97776",
    "CVE-2026-97777",
    "CVE-2026-97778",
    "CVE-2026-97779",
    "CVE-2026-97780",
    "CVE-2026-100209",
    "CVE-2026-100210",
    "CVE-2026-100211",
    "CVE-2026-100212",
    "CVE-2026-102858",
    "CVE-2026-105599",
    "CVE-2026-105715",
    "CVE-2026-105718"
  );

  script_name(english:"Security Updates for Microsoft Office Products (October 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 october-14-2026 advisory.

  - Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a
    network. (CVE-2026-70215, CVE-2026-88144, CVE-2026-88178)

  - Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over
    a network. (CVE-2026-100210, CVE-2026-77902, CVE-2026-88145, CVE-2026-97003, CVE-2026-97004,
    CVE-2026-97007, CVE-2026-97741, CVE-2026-97748, CVE-2026-97751, CVE-2026-97753, CVE-2026-97754,
    CVE-2026-97756, CVE-2026-97757, CVE-2026-97758, CVE-2026-97763, CVE-2026-97765, CVE-2026-97766,
    CVE-2026-97768, CVE-2026-97769, CVE-2026-97773, CVE-2026-97776, CVE-2026-97777, CVE-2026-97780)

  - Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
    (CVE-2026-100209, CVE-2026-100211, CVE-2026-100212, CVE-2026-97010, CVE-2026-97017, CVE-2026-97738,
    CVE-2026-97745, CVE-2026-97747, CVE-2026-97752, CVE-2026-97759, CVE-2026-97771, CVE-2026-97775)

  - Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code
    over a network. (CVE-2026-102858)

  - Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code
    over a network. (CVE-2026-105599, CVE-2026-88207)

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#october-14-2026
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?775a85f9");
  script_set_attribute(attribute:"solution", value:
"Update to Office for Mac version 16.114 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:N/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-2026-97780");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2026-88178");

  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:"2026/10/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/14");

  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' : '16.114', 'fixed_display' : 'Version 16.114 (Build 26101123)' }
];

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