Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could result in arbitrary file system read in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

The version of Adobe Reader installed on the remote Windows host is a version prior to 26.001.21431. It is, therefore, affected by multiple vulnerabilities.

  - Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly     Controlled Modification of Object Prototype Attributes ('Prototype Pollution') 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-2026-34622)

  - Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly     Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could     result in arbitrary file system read in the context of the current user. Exploitation of this issue     requires user interaction in that a victim must open a malicious file. (CVE-2026-34626)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Adobe Reader installed on the remote macOS host is a version prior to 26.001.21431. It is, therefore, affected by multiple vulnerabilities.

  - Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly     Controlled Modification of Object Prototype Attributes ('Prototype Pollution') 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-2026-34622)

  - Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly     Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could     result in arbitrary file system read in the context of the current user. Exploitation of this issue     requires user interaction in that a victim must open a malicious file. (CVE-2026-34626)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Adobe Acrobat installed on the remote macOS host is a version prior to 24.001.30365 or 26.001.21431. It is, therefore, affected by multiple vulnerabilities.

  - Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly     Controlled Modification of Object Prototype Attributes ('Prototype Pollution') 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-2026-34622)

  - Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly     Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could     result in arbitrary file system read in the context of the current user. Exploitation of this issue     requires user interaction in that a victim must open a malicious file. (CVE-2026-34626)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Adobe Acrobat installed on the remote Windows host is a version prior to 24.001.30365 or 26.001.21431. It is, therefore, affected by multiple vulnerabilities.

  - Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly     Controlled Modification of Object Prototype Attributes ('Prototype Pollution') 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-2026-34622)

  - Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly     Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could     result in arbitrary file system read in the context of the current user. Exploitation of this issue     requires user interaction in that a victim must open a malicious file. (CVE-2026-34626)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
306389	Adobe Reader < 26.001.21431 Multiple Vulnerabilities (APSB26-44)	Nessus	Windows	high
306388	Adobe Reader < 26.001.21431 Multiple Vulnerabilities (APSB26-44) (macOS)	Nessus	MacOS X Local Security Checks	high
306387	Adobe Acrobat < 24.001.30365 / 26.001.21431 Multiple Vulnerabilities (APSB26-44) (macOS)	Nessus	MacOS X Local Security Checks	high
306386	Adobe Acrobat < 24.001.30365 / 26.001.21431 Multiple Vulnerabilities (APSB26-44)	Nessus	Windows	high

Detections

Analytics

CVE-2026-34626

medium

Tenable Plugins

high

high

high

high