# CVE-2026-34695: InDesign Desktop | Stack-based Buffer Overflow (CWE-121)

> A stack-based buffer overflow in Adobe InDesign Desktop allows arbitrary code execution if a user opens a malicious file.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 9 Jun 2026
- **Updated:** 27 Aug 2026
- **Also known as:** GHSA-2cm9-pghr-m2c8

## What is CVE-2026-34695?

CVE-2026-34695 is a high-severity memory corruption vulnerability in Adobe Indesign, published on 9 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a Stack-based Buffer Overflow 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.

Weakness: CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2026-34695?

It affects 1 product.


Products: Adobe Indesign.

## How do I fix CVE-2026-34695?

No fix has been published for CVE-2026-34695 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-34695 being exploited?

There is no known exploitation of CVE-2026-34695 in the wild and no public exploit code.

## Other vulnerabilities in Adobe Indesign

- [CVE-2019-7107](https://insights.sbomify.com/CVE-2019-7107/): Code injection in InDesign (critical 9.8)
- [CVE-2017-11302](https://insights.sbomify.com/CVE-2017-11302/): Memory corruption in Adobe InDesign 12.1.0 and earlier versions (critical 9.8)
- [CVE-2016-7886](https://insights.sbomify.com/CVE-2016-7886/): Memory corruption in Adobe InDesign 11.4.1 and earlier, InDesign Server 11.0.0 and earlier (critical 9.8)
- [CVE-2021-36004](https://insights.sbomify.com/CVE-2021-36004/): Adobe InDesign CoolType out of bounds write vulnerability could lead to arbitrary stack manipulation (high 8.8)
- [CVE-2021-21098](https://insights.sbomify.com/CVE-2021-21098/): Adobe InDesign PCX file parsing out-of-bounds write vulnerability could lead to remote code execution (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-34695 and fix it if it is affected.

What it is: CVE-2026-34695 is a high-severity memory corruption vulnerability in Adobe Indesign, published on 9 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-34695 in the wild and no public exploit code.

Affected product: Adobe Indesign. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-34695/ (Markdown: https://insights.sbomify.com/CVE-2026-34695/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-34695
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-34695
- OSV: https://osv.dev/vulnerability/CVE-2026-34695

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-34695/
Summaries are generated and may contain mistakes; the official description above is the record.