CVE-2026-34622HIGH 8.6EPSS p24.5%

CVE-2026-34622CVE-2026-34622

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.

Scoring

CVSS 3.18.6 (HIGH)
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS0.33% probability of exploitation · percentile 24.5% · 2026-06-19T12:03:05Z
Published2026-04-14
Last modified2026-04-16

Underlying weaknesses· 1

CWE-1321

References

  1. https://helpx.adobe.com/security/products/acrobat/apsb26-44.html

1

TypeTargetConfidenceTier
WeaknessImproperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')cwe-13210%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
Adobe Acrobat and Reader Prototype Pollution Vulnerability
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CVE-2026-47920
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CVE-2026-47911
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CVE-2026-47952
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CVE-2026-47912
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CVE-2026-47921
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.