TI-2026-85242 Aliases CVE-2026-102280

Sandboxie-Plus: Sandbox containment bypass

MEDIUM 64CWE-390Published 2026-11-04 · Updated 2026-11-05

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · Low
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

Sandboxie-Plus, an open source sandbox-based isolation software for Windows, is affected in versions before 1.18.6. A process inside a sandbox can send file attribute or short-name requests to the SbieSvc service, which lets the SYSTEM service open and modify an existing file outside the sandbox (CWE-863). A local attacker with low privileges can change file attributes, timestamps, writeability or 8.3 short names, and a short-name redirection can also contribute to code execution as SYSTEM.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. Prior to 1.18.6, a process inside a sandbox could send MSGID_FILE_SET_ATTRIBUTES or MSGID_FILE_SET_SHORT_NAME to SbieSvc and cause the SYSTEM service to open and modify an existing file outside the sandbox. The direct primitive changes file attributes, timestamps, writeability, or 8.3 short names; a short-name redirection can additionally contribute to SYSTEM code execution when a privileged process resolves an attacker-controlled short-name path in a location SbieSvc can open. This vulnerability is fixed in 1.18.6.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00109 1st percentileScored 2026-11-07

Fix Fixed Sandboxie (sandboxie-plus): 1.18.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
sandboxie-plus	Sandboxie	before 1.18.6	1.18.6	Patch available	CNA

Sandboxie Vendorsandboxie-plus Affected before 1.18.6 Fixed in 1.18.6 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:sandboxie-plus:sandboxie::::::::	—	—	sandboxie-plus

cpe:2.3:a:sandboxie-plus:sandboxie:*:*:*:*:*:*:*:* Versions — — ·sandboxie-plus

Remediation

Update Sandboxie to version 1.18.6, which fixes this vulnerability.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Fix · CNA Sandboxie (sandboxie-plus) Fixed in 1.18.6

Timeline

2026-11-04 Threatist record created from CVE-2026-102280
2026-11-05 CISA SSVC decision points changed

References

Other 3

TI-2025-40067 Sandboxie's Integer Overflow in SbieIniServer::RC4Crypt allows sandbox escape and SYSTEM compromise CVSS 4.0CRITICAL 9.9
TI-2026-26723 Sandboxie-Plus privilege escalation via INI CRLF injection bypassing EditAdminOnly CVSS 4.0CRITICAL 9.3
TI-2024-32948 Path traversal in Sandboxie CVSS 3.1CRITICAL 9.2
TI-2026-26724 Sandboxie-Plus sandbox escape via uninitialized memory leak and stack overflow in GetRawInputDeviceInfoSlave CVSS 4.0HIGH 8.8
TI-2021-22497 Sandboxie Plus v0.7.2 - 'SbieSvc' Unquoted Service Path CVSS 4.0HIGH 8.5
TI-2026-33112 Sandboxie-Plus: Sandboxie APC Injection Sandbox Escape CVSS 3.1HIGH 7.7

See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences