PT-2026-56270 · Labcenter · Proteus

Michael Heinzl · CVE-2026-42958 · Published 2026-07-07 · Updated 2026-07-08

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions The product name cannot be determined (affected versions not specified)

Description A use-after-free issue occurs during the parsing of specially crafted files, which can lead to memory corruption. This flaw may allow an attacker to execute arbitrary code within the context of the current process. Use-after-free is a condition where a program continues to use a pointer after it has been freed, potentially allowing access to memory that has been reassigned.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-42958

Affected Products

Proteus

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-42958 · Security Note
• https://t.me/cveNotify/191141 · Telegram Post
• https://t.me/cveNotify/190699 · Telegram Post
• https://cisa.gov/news-events/ics-advisories/icsa-26-188-06 · Note