CVE-2026-49033 Stack-Based Buffer Overflow in Labcenter Proteus

High 8.4 Published Updated

A stack-based buffer overflow in Labcenter Proteus allows attackers to execute arbitrary code via crafted input.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-49033?

CVE-2026-49033 is a high-severity memory corruption vulnerability in Labcenter Proteus, published on 7 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The application contains a stack-based buffer overflow vulnerability that can be exploited by an attacker to execute arbitrary code.

Weakness: CWE-121

Which versions are affected by CVE-2026-49033?

How do I fix CVE-2026-49033?

No fix has been published for CVE-2026-49033 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-49033 being exploited?

There is no known exploitation of CVE-2026-49033 in the wild and no public exploit code.

Sources

Also known as GHSA-h3p7-vr3q-c8g3.

Is CVE-2026-49033 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free