What is CVE-2026-42958?

CVE-2026-42958 is a high-severity vulnerability in Labcenter Proteus, classified under Use After Free. CVSS score: 7.8/10. Published 2026-07-07.

How severe is CVE-2026-42958?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Labcenter Proteus

CVE-2026-42958

The application contains a use-after-free vulnerability that can be exploited to cause memory corruption while parsing specially crafted files. This could allow an attacker to execute arbitrary code in the context of the current process.

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Labcenter Proteus — versions 9.1_SP4_Build-42914

Weakness classification (CWE)

CWE-416 — Use After Free

References

ics-cert@hq.dhs.gov (government-resource)

Frequently asked questions

What is CVE-2026-42958?: CVE-2026-42958 is a high-severity vulnerability in Labcenter Proteus, classified under Use After Free. CVSS score: 7.8/10. Published 2026-07-07.
How severe is CVE-2026-42958?: High severity. CVSS v3 base score is 7.8 out of 10.