Is CVE-2026-34622 actively exploited?

No active exploitation of CVE-2026-34622 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-34622 be exploited remotely?

No. CVE-2026-34622 requires local access to exploit.

What is the CVSS score of CVE-2026-34622?

CVE-2026-34622 has a CVSS score of 8.6 (HIGH).

HOME VULNERABILITIESCVE-2026-34622

HIGH

CVE-2026-34622

CWE-1321Published: April 14, 2026· Updated: Apr 16, 2026

8.6

CVSS v3.1

EPSS:0.12%probability of exploitation in 30 daysPercentile:30.7th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-34622 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.6.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.