CVE-2026-21345CWE-125

CVE-2026-21345

High · published February 11, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
7.9
In the wild
Unconfirmed
What it is

⚡ An out-of-bounds read could let crafty attackers execute code just by getting you to open a malicious file! 📂 Think of it like a chef using a recipe that calls for ingredients that are just beyond the pantry shelves — too far and things get messy! In this case, parsing a malformed file can lead to reading memory locations that shouldn’t be accessible, allowing the attacker to stir up trouble. If a user opens an infected file, an attacker could execute malicious code running in the context of that user, potentially leading to data theft, system compromise, or worse! It's like handing over the keys to your kitchen to a stranger, who might just whip up something disastrous.

Put simply

Think of it like a chef using a recipe that calls for ingredients that are just beyond the pantry shelves — too far and things get messy! In this case, parsing a malformed file can lead to reading memory locations that shouldn’t be accessible, allowing the attacker to stir up trouble. The vulnerability in Substance3D - Stager versions 3.1.6 and earlier allows an attacker to exploit an out-of-bounds read condition when parsing crafted files, leading to unauthorized code execution.

What to do

If a user opens an infected file, an attacker could execute malicious code running in the context of that user, potentially leading to data theft, system compromise, or worse! It's like handing over the keys to your kitchen to a stranger, who might just whip up something disastrous. Update Substance3D - Stager to the latest version immediately to patch this vulnerability. Additionally, consider implementing security measures that restrict the opening of untrusted files to mitigate risks. You’ve got this! Follow these steps and you’ll be one step closer to fortifying your defenses! 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00187 · 7.9th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-02-11T00:15Z
Affected products (1)
ProductVersionsFixed in
adobe/substance_3d_stager< 3.1.73.1.7
References (1)
EPSS history
Timeline
  • 10 FEB 18:16Z
    Substance3D - Stager | Out-of-bounds Read (CWE-125)
    cvelistv5