Adobe Reader < 26.001.21662 Multiple Vulnerabilities (APSB26-63) (macOS)

high Nessus Plugin ID 320128

Synopsis

The version of Adobe Reader installed on the remote macOS host is affected by multiple vulnerabilities.

Description

The version of Adobe Reader installed on the remote macOS host is a version prior to 26.001.21662. It is, therefore, affected by multiple vulnerabilities.

- Stack-based Buffer Overflow (CWE-121) potentially leading to Arbitrary code execution (CVE-2026-47959)

- Out-of-bounds Write (CWE-787) potentially leading to Arbitrary code execution (CVE-2026-47911)

- Use After Free (CWE-416) potentially leading to Arbitrary code execution (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)

- Heap-based Buffer Overflow (CWE-122) potentially leading to Arbitrary code execution (CVE-2026-47952)

- Uncontrolled Search Path Element (CWE-427) potentially leading to Arbitrary code execution (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.

Solution

Upgrade to Adobe Reader version 26.001.21662 or later.

See Also

https://helpx.adobe.com/security/products/acrobat/apsb26-63.html

Plugin Details

Severity: High

ID: 320128

File Name: macos_adobe_reader_apsb26-63.nasl

Version: 1.1

Type: Local

Agent: macosx

Published: 6/9/2026

Updated: 6/9/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-47959

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:adobe:acrobat_reader

Required KB Items: Host/local_checks_enabled, Host/MacOSX/Version, installed_sw/Adobe Reader

Exploit Ease: No known exploits are available

Patch Publication Date: 6/9/2026

Vulnerability Publication Date: 6/9/2026

Reference Information

CVE: 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

CWE: 121, 122, 125, 190, 416, 427, 787