Quick answers
- Is CVE-2026-27309 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-27309 being exploited in the wild.
- How severe is CVE-2026-27309?
- High severity, with a CVSS score of 7.8, published 27 March 2026.
- Which products and versions are affected?
- Adobe Substance3D Stager 3.1.7 and earlier.
- Is there a fix for CVE-2026-27309?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-27309 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-27309?
- Check whether you run Adobe Substance 3d Stager, Adobe Substance3D Stager, Apple macOS or one of the others listed 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.
Technical details
The vulnerability is a use-after-free defect in Substance3D Stager that permits arbitrary code execution within the context of the current user. The flaw requires user interaction—specifically, a victim must open a malicious file to trigger the vulnerability. This attack vector means the vulnerability is not remotely exploitable without social engineering. Affected versions are 3.1.7 and earlier. A patch is expected via Adobe's APSB26-29 bulletin (currently access-restricted), indicating a fix is available or forthcoming.
Affected products
- Adobe Substance3D Stager 3.1.7 and earlier
Timeline
- 2026-03-27: disclosed