CVE-2026-104343: Adobe FrameMaker NULL pointer dereference denial of service

CVE-2026-104343 · Severity: medium · CVSS 5.5 · Published 2026-10-13

Adobe FrameMaker, a document publishing application used to create technical manuals and guides, contains a NULL pointer dereference vulnerability that crashes the application when processing specially crafted files. An attacker can exploit this by tricking a user into opening a malicious document, causing the application to stop functioning temporarily. While not allowing direct data theft or system compromise, this denial-of-service impact disrupts productivity and can be part of a larger attack campaign.

Technologies: Adobe FrameMaker 2022, Adobe FrameMaker 2026. Vendors: Adobe.

Quick answers

Is CVE-2026-104343 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-104343 being exploited in the wild.
How severe is CVE-2026-104343?
Medium severity, with a CVSS score of 5.5, published 13 October 2026.
Which products and versions are affected?
Adobe FrameMaker 2022 17.0.9.866 and earlier; Adobe FrameMaker 2026 18.0.0.206 and earlier.
Is there a fix for CVE-2026-104343?
Yes: fixed in FrameMaker 2026 18.0.1.312; FrameMaker 2022 17.0.10.928. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-104343 attacked?
It is attacked with local access, in a web application.
Am I affected by CVE-2026-104343?
Check whether you run Adobe FrameMaker 2022 or Adobe FrameMaker 2026 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: FrameMaker 2026 18.0.1.312; FrameMaker 2022 17.0.10.928

Technical details

A NULL pointer dereference in Adobe FrameMaker (CWE-476) triggers an application crash when the application attempts to dereference a null pointer during file processing. The vulnerability requires local access and user interaction—specifically opening a malicious file—and affects both FrameMaker 2026 (18.0.0.206 and earlier) and FrameMaker 2022 (17.0.9.866 and earlier). The impact is limited to denial-of-service; no code execution or data exposure results from this specific issue.

Affected products

  • Adobe FrameMaker 2026 18.0.0.206 and earlier
  • Adobe FrameMaker 2022 17.0.9.866 and earlier

Timeline

  • 2026-10-13: disclosed

References

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