CVE-2026-2364 is a high-severity Time-of-Check to Time-of-Use (TOCTOU) vulnerability affecting the CODESYS Development System installer. A low-privileged local attacker can exploit this flaw to gain elevated privileges if a legitimate user initiates an installation or confirms a self-update prompt. Rated 7.3 HIGH on CVSS, exploitation requires low privileges and user interaction, but results in high impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, nor are there public exploit modules or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| CODESYS | CODESYS Installer | >= 0.0.0, < 2.6.1.0CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.