Detections
Analytics
Adobe Reader < 26.002.21901 Multiple Vulnerabilities (APSB26-141)
high Nessus Plugin ID 343841
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 26.002.21901. It is, therefore, affected by multiple vulnerabilities.- Heap-based Buffer Overflow (CWE-122) potentially leading to Arbitrary code execution (CVE-2026-81992)
- Incorrect Authorization (CWE-863) potentially leading to Privilege escalation (CVE-2026-81996)
- Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321) potentially leading to Arbitrary file system read (CVE-2026-81994)
- Out-of-bounds Write (CWE-787) potentially leading to Arbitrary code execution (CVE-2026-79908, CVE-2026-81979, CVE-2026-81980, CVE-2026-81981, CVE-2026-81983)
- Double Free (CWE-415) potentially leading to Arbitrary code execution (CVE-2026-79907)
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 26.002.21901 or later.See Also
https://helpx.adobe.com/security/products/acrobat/apsb26-141.html
Plugin Details
Severity: High
ID: 343841
File Name: adobe_reader_apsb26-141.nasl
Version: 1.1
Type: Local
Agent: windows
Family: Windows
Published: 9/8/2026
Updated: 9/8/2026
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5
Percentile: 93.45
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-2026-81992
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.7
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS Score Source: CVE-2026-81996
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: 9/8/2026
Vulnerability Publication Date: 9/8/2026
Reference Information
CVE: CVE-2026-79907, CVE-2026-79908, CVE-2026-79909, CVE-2026-79910, CVE-2026-80159, CVE-2026-80160, CVE-2026-80161, CVE-2026-80162, CVE-2026-81973, CVE-2026-81975, CVE-2026-81976, CVE-2026-81977, CVE-2026-81978, CVE-2026-81979, CVE-2026-81980, CVE-2026-81981, CVE-2026-81982, CVE-2026-81983, CVE-2026-81984, CVE-2026-81985, CVE-2026-81986, CVE-2026-81987, CVE-2026-81988, CVE-2026-81989, CVE-2026-81990, CVE-2026-81991, CVE-2026-81992, CVE-2026-81993, CVE-2026-81994, CVE-2026-81996, CVE-2026-81997, CVE-2026-82001