Adobe Reader < 26.001.21662 Multiple Vulnerabilities (APSB26-63)

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

include('compat.inc');

if (description)
{
  script_id(320126);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/06/15");

  script_cve_id(
    "CVE-2026-47911",
    "CVE-2026-47912",
    "CVE-2026-47913",
    "CVE-2026-47914",
    "CVE-2026-47915",
    "CVE-2026-47916",
    "CVE-2026-47917",
    "CVE-2026-47918",
    "CVE-2026-47919",
    "CVE-2026-47920",
    "CVE-2026-47921",
    "CVE-2026-47923",
    "CVE-2026-47924",
    "CVE-2026-47925",
    "CVE-2026-47926",
    "CVE-2026-47937",
    "CVE-2026-47952",
    "CVE-2026-47955",
    "CVE-2026-47959",
    "CVE-2026-47961",
    "CVE-2026-47965"
  );
  script_xref(name:"IAVA", value:"2026-A-0585");

  script_name(english:"Adobe Reader < 26.001.21662 Multiple Vulnerabilities (APSB26-63)");

  script_set_attribute(attribute:"synopsis", value:
"The version of Adobe Reader installed on the remote Windows host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Adobe Reader installed on the remote Windows host is a version prior to 26.001.21662. It is, therefore,
affected by multiple vulnerabilities.

  - Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Stack-based Buffer
    Overflow vulnerability that could result in arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2026-47959)

  - Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by an out-of-bounds write
    vulnerability that could result in arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2026-47911)

  - Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Use After Free
    vulnerability that could result in arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2026-47912, CVE-2026-47913, CVE-2026-47914, CVE-2026-47915, CVE-2026-47916, CVE-2026-47917,
    CVE-2026-47918, CVE-2026-47919, CVE-2026-47920, CVE-2026-47921, CVE-2026-47955)

  - Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Heap-based Buffer
    Overflow vulnerability that could result in arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2026-47952)

  - Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by an Uncontrolled Search Path
    Element vulnerability that could result in arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is
    changed. (CVE-2026-47937)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://helpx.adobe.com/security/products/acrobat/apsb26-63.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Adobe Reader version 26.001.21662 or later.");
  script_set_attribute(attribute:"agent", value:"windows");
  script_set_cvss_base_vector("CVSS2#AV:L/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:L/AC:L/PR:L/UI:R/S:C/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-2026-47965");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2026-47937");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(121, 122, 125, 190, 416, 427, 787);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/06/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/06/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/06/09");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:adobe:acrobat_reader");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  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("adobe_reader_installed.nasl");
  script_require_keys("SMB/Registry/Enumerated", "installed_sw/Adobe Reader");

  exit(0);
}

include('vcf_extras.inc');

get_kb_item_or_exit('SMB/Registry/Enumerated');
var app_info = vcf::get_app_info(app:'Adobe Reader', win_local:TRUE);

# vcf::adobe_reader::check_version_and_report will
# properly separate tracks when checking constraints.
# x.y.30zzz = DC Classic
# x.y.20zzz = DC Continuous
var constraints = [
  { 'min_version' : '15.7', 'max_version' : '26.001.21651', 'fixed_version' : '26.001.21662', 'track' : 'DC Continuous' }
];
vcf::adobe_acrobat::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    max_segs:3,
    severity:SECURITY_HOLE
);