SB20260414166 - Two remote code execution vulnerabilities in Adobe Acrobat and Reader

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Main Vulnerability Database SB20260414166

SB20260414166 - Two remote code execution vulnerabilities in Adobe Acrobat and Reader

Published: April 14, 2026

Security Bulletin ID SB20260414166
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Prototype pollution (CVE-ID: CVE-2026-34622)

CWE-ID: CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes (\'Prototype Pollution\')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation. A remote attacker can trick the victim into opening a specially crafted PDF file and execute arbitrary code on the system.

Note, the vulnerability may allow an attacker to compromise the affected system. 


2) Prototype pollution (CVE-ID: CVE-2026-34626)

CWE-ID: CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes (\'Prototype Pollution\')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation. A remote attacker can trick the victim into opening a specially crafted PDF file and execute arbitrary code on the system.

Note, the vulnerability may allow an attacker to compromise the affected system. 


Remediation

Install update from vendor's website.

References