What is CVE-2021-47883?

CVE-2021-47883 is a high-severity vulnerability in Sandboxie-Plus Sandboxie Plus, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-21.

How severe is CVE-2021-47883?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Sandboxie-Plus Sandboxie Plus

CVE-2021-47883

Sandboxie Plus 0.7.2 contains an unquoted service path vulnerability in the SbieSvc service that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted binary path to inject malicious executables that will be launched with LocalSystem permissions during service startup.

EPSS: 0.001 (2.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sandboxie-plus Sandboxie Plus — versions 0.7.2

Weakness classification (CWE)

CWE-428 — Unquoted Search Path or Element

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2021-47883?: CVE-2021-47883 is a high-severity vulnerability in Sandboxie-Plus Sandboxie Plus, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-21.
How severe is CVE-2021-47883?: High severity. CVSS v3 base score is 7.8 out of 10.