Is CVE-2026-103856 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-103856 being exploited in the wild.

How severe is CVE-2026-103856?

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-2026-103856?

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-2026-103856 attacked?

It is attacked with local access, in a web application.

Am I affected by CVE-2026-103856?

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.

CVE-2026-103856: Adobe FrameMaker out-of-bounds read in memory parsing

CVE-2026-103856 · Severity: medium · CVSS 5.5 · Published 2026-10-13

Adobe FrameMaker, a document authoring and publishing tool, is affected by an out-of-bounds read vulnerability that allows attackers to access sensitive data held in memory. An attacker could exploit this by tricking a user into opening a malicious document file, leading to exposure of confidential information stored in the application's memory.

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

Quick answers

Is CVE-2026-103856 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-103856 being exploited in the wild.
How severe is CVE-2026-103856?: 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-2026-103856?: 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-2026-103856 attacked?: It is attacked with local access, in a web application.
Am I affected by CVE-2026-103856?: 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

CVE-2026-103856 is an out-of-bounds read vulnerability (CWE-125) in Adobe FrameMaker that discloses sensitive memory contents. The vulnerability requires local file interaction—a victim must open a crafted malicious file—and does not require elevated privileges or user interaction beyond opening the file. An attacker gains access to memory contents including potentially sensitive data.

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

https://www.adobe.com/trust/security/products/framemaker/apsb26-172.html

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