CVE-2018-18748 json
Sandboxie 5.26 allows a Sandbox Escape via an "import os" statement, followed by os.system("cmd") or os.system("powershell"), within a .py…
published 2018-10-28 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-10464
- cvss
- 10.0
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
Sandboxie 5.26 allows a Sandbox Escape via an "import os" statement, followed by os.system("cmd") or os.system("powershell"), within a .py file. NOTE: the vendor disputes this issue because the observed behavior is consistent with the product's intended functionality
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
2.43% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/sandboxescape/Sandboxie-5.26-Sandbox-Escape-Exploit/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 10.0 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
References
-
github.com
/sandboxescape/Sandboxie-5.26-Sandbox-Escape-Exploit/
exploit, third-party-advisory
-
github.com
/sandboxescape/Sandboxie-5.26-Sandbox-Escape-Exploit/blob/2632a5f7409e52b2e020f5d4467fa019f9095e73/README.doc
broken-link, third-party-advisory
Sources
- CVE List CVE-2018-18748
- NVD CVE-2018-18748
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.