Adobe Reader < 26.001.21662 Multiple Vulnerabilities (APSB26-63)

high Nessus Plugin ID 320126

Synopsis

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

Description

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, CVE-2026-47965)

- 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. An attacker with high privileges could exploit this vulnerability to execute arbitrary code. 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.

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: 320126

File Name: adobe_reader_apsb26-63.nasl

Version: 1.7

Type: Local

Agent: windows

Family: Windows

Published: 6/9/2026

Updated: 6/26/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

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

CVSS Score Source: CVE-2026-47965

Vulnerability Information

CPE: cpe:/a:adobe:acrobat_reader

Required KB Items: SMB/Registry/Enumerated, 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, CVE-2026-47965

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

IAVA: 2026-A-0585