CVE-2026-34684: Substance3D - Designer versions 15.1.0 and earlier are affected by an out-of-bounds write vulnerability that c

Q: How do I fix CVE-2026-34684?

substance 3d designer: upgrade to newer than 15.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-34684 being exploited?

CVE-2026-34684 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-34684 affect?

CVE-2026-34684 affects substance 3d designer. Severity is high (CVSS 7.8). Substance3D - Designer versions 15.1.0 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 i

Routine

HIGH 7.8UPGRADE

CVE-2026-34684 is a high-severity flaw (CVSS 7.8) affecting substance 3d designer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Substance3D - Designer versions 15.1.0 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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.1% (top 96%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-05-12
Last modified	2026-10-26

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-12 19:16 UTCPublished CVE record published
2026-10-26 00:10 UTCUpdated Record last modified

adobe substance 3d designer UPGRADE

Affected: <= 15.1.0

Fixed in: newer than 15.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy substance-3d-designer || rpm -q substance-3d-designer || substance-3d-designer --version

2. UPGRADE to newer than 15.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade substance-3d-designer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade substance-3d-designer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-34684?

substance 3d designer: upgrade to newer than 15.1.0. Exact commands for each OS are on this page.

Is CVE-2026-34684 being exploited?

CVE-2026-34684 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-34684 affect?

CVE-2026-34684 affects substance 3d designer. Severity is high (CVSS 7.8). Substance3D - Designer versions 15.1.0 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 i

How urgent is CVE-2026-34684?

Priority 28/100. High severity

Related CVEs

CVE-2026-34681 HIGH 7.8 UPGRADE Substance3D - Designer versions 15.1.0 and earlier are affected by an out-of-bounds write vulnerability that c

References

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