CVE-2026-4387
LOWDescription
StrongDM Desktop Application before 23.74.0 (Desktop Client before 53.77.0) on Microsoft Windows stores authentication state, including a JSON Web Token and asymmetric key material, in cleartext in a per-user state file located at C:\Users\<username>\.sdm\state.kv. The file is protected only by default user-level NTFS permissions. Exploitation requires local read access to the affected user's profile directory and additional deployment and execution conditions on the target host. The condition was reported through coordinated disclosure by Hope Walker (SpecterOps).
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
TridentStack Control tracks known vulnerabilities across your Windows, macOS, and Linux fleet and shows the fix as soon as one is published. See how it works
CVSS v4 Vector
Exploitability
Impact
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Exploit Intelligence
Low risk: more likely to be exploited than 3% of all known CVEs.
References
Related Vulnerabilities
Other CWE-312 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2023-50719 | High | 7.5 | 84% | - | Fix |
| CVE-2022-26148 | Critical | 9.8 | 53% | - | Fix |
| CVE-2020-24577 | High | 7.5 | 19% | - | Fix |
| CVE-2021-27140 | High | 7.5 | 19% | - | - |
| CVE-2021-27176 | High | 7.5 | 19% | - | - |
| CVE-2021-27174 | High | 7.5 | 19% | - | - |
Common questions
How do I fix CVE-2026-4387?
No published fix for CVE-2026-4387 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-4387 being actively exploited?
Not that we know of. CVE-2026-4387 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.13% is the estimated probability that it will be exploited in the next 30 days. That is higher than 3% of all scored CVEs.
How severe is CVE-2026-4387?
CVE-2026-4387 has a CVSS v4 base score of 2.0, rated low. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
Embed a live status badge for CVE-2026-4387
Markdown
[](https://tridentstack.com/cve/CVE-2026-4387)HTML
<a href="https://tridentstack.com/cve/CVE-2026-4387"><img src="https://tridentstack.com/cve/badge/CVE-2026-4387.svg" alt="CVE-2026-4387"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-22.