CVE-2026-34700

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Write in Adobe InDesign

Publication date: 2026-06-09

Last updated on: 2026-06-10

Assigner: Adobe Systems Incorporated

Description

InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by an out-of-bounds write 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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-09

Last Modified

2026-06-10

Generated

2026-06-30

AI Q&A

2026-06-09

EPSS Evaluated

2026-06-28

NVD

CVE-2026-34700

EUVD

EUVD-2026-35781

Affected Vendors & Products

Vendor	Product	Version / Range
adobe	indesign	to 20.5.4 (exc)
adobe	indesign	From 21.0 (inc) to 21.4 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability affects Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier. It is an out-of-bounds write vulnerability, which means that the software writes data outside the boundaries of allocated memory. This flaw could allow an attacker to execute arbitrary code with the privileges of the current user.

Exploitation requires user interaction, specifically that the victim must open a malicious file to trigger the vulnerability.

Impact Analysis

If exploited, this vulnerability can lead to arbitrary code execution in the context of the current user. This means an attacker could run malicious code on your system with your user privileges.

Potential impacts include compromise of confidentiality, integrity, and availability of your data and system, as indicated by the high CVSS impact scores for confidentiality, integrity, and availability.

However, exploitation requires that you open a malicious file, so user caution can help mitigate risk.

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