CVE-2018-18748

CVE-2018-18748 is a critical-severity vulnerability in Sandboxie-plus Sandboxie with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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

Frequently asked questions

What is CVE-2018-18748?
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
How severe is CVE-2018-18748?
CVE-2018-18748 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-18748 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18748?
CVE-2018-18748 affects Sandboxie-plus Sandboxie. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18748?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-18748 published?
CVE-2018-18748 was published on 2018-10-29 and last updated on 2026-06-17.

References

Affected products (1)

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