{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45313", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-11T20:50:30.538Z", "datePublished": "2026-07-15T21:21:23.091Z", "dateUpdated": "2026-07-16T12:52:46.717Z"}, "containers": {"cna": {"title": "Sandboxie-Plus: Sandboxie APC Injection Sandbox Escape", "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "lang": "en", "description": "CWE-284: Improper Access Control", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/sandboxie-plus/Sandboxie/security/advisories/GHSA-rmv3-fhg3-75xh", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/sandboxie-plus/Sandboxie/security/advisories/GHSA-rmv3-fhg3-75xh"}, {"name": "https://github.com/sandboxie-plus/Sandboxie/releases/tag/v1.17.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/sandboxie-plus/Sandboxie/releases/tag/v1.17.6"}], "affected": [{"vendor": "sandboxie-plus", "product": "Sandboxie", "versions": [{"version": "< 1.17.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-15T21:21:23.091Z"}, "descriptions": [{"lang": "en", "value": "Sandboxie-Plus is an open source sandbox-based isolation software for Windows. Prior to 1.17.6, GuiServer::WndHookRegisterSlave in Sandboxie/core/svc/GuiServer.cpp stores attacker-supplied hthread and hproc fields from a GUI_WND_HOOK_REGISTER request without validating that the thread belongs to the sandboxed process or that the function pointer is in the caller address space, and GuiServer::WndHookNotifySlave then calls OpenThread(THREAD_SET_CONTEXT, FALSE, whk->hthread) and QueueUserAPC((PAPCFUNC)whk->hproc, hThread, (ULONG_PTR)req->threadid) as SYSTEM, allowing a sandboxed process to execute arbitrary code in an unsandboxed host process. This issue is fixed in version 1.17.6."}], "source": {"advisory": "GHSA-rmv3-fhg3-75xh", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/sandboxie-plus/Sandboxie/security/advisories/GHSA-rmv3-fhg3-75xh", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-16T12:52:19.807122Z", "id": "CVE-2026-45313", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-16T12:52:46.717Z"}}]}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.17.6)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Sandboxie", "source": "cna", "vendor": "sandboxie-plus"}, "product": "sandboxie", "vendor": "sandboxie-plus"}], "created": "2026-07-16T00:45:04.624156+00:00", "updated": "2026-07-16T00:45:04.624184+00:00", "vendors": ["sandboxie-plus", "sandboxie-plus$PRODUCT$sandboxie"]}