Vulnerability · Published Jan 16, 2026 · Assigned by VulnCheck
CVE-2021-47831Sandboxie 5.49.7 - Denial of Service
High 7.5
In plain English
A high-severity security flaw in Sandboxie from Sandboxie-Plus. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 68.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Sandboxie 5.49.7 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the container folder input field. Attackers can paste a large buffer of repeated characters into the Sandbox container folder setting to trigger an application crash.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sandboxie-Plus | Sandboxie | 5.49.7 |
Weakness: CWE-1284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- ExploitDB-49844 exploit
- Sandboxie Official Homepage product
- VulnCheck Advisory: Sandboxie 5.49.7 - Denial of Service third-party-advisory