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CVE-2026-45313

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((PAPCF
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8b55a517ca2a68ce2337ecad44b5f160f44ca34d3f8f20aed2ab5f1e89d90aaf
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"Sandboxie","vendor":"sandboxie-plus","versions":[{"status":"affected","version":"< 1.17.6"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7a0928f1da607130d0b6490ec968121cc5efb228e061d88d98e2fee9e9cce3f3 · sha256:5e7e1f22e934017c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7a0928f1da607130d0b6490ec968121cc5efb228e061d88d98e2fee9e9cce3f3 · sha256:5e7e1f22e934017c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7a0928f1da607130d0b6490ec968121cc5efb228e061d88d98e2fee9e9cce3f3 · sha256:5e7e1f22e934017c… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a0928f1da607130d0b6490ec968121cc5efb228e061d88d98e2fee9e9cce3f3 · sha256:5e7e1f22e934017c… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/sandboxie-plus/Sandboxie/security/advisories/GHSA-rmv3-fhg3-75xh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a0928f1da607130d0b6490ec968121cc5efb228e061d88d98e2fee9e9cce3f3 · sha256:5e7e1f22e934017c… · /containers/adp/0/references/0
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a0928f1da607130d0b6490ec968121cc5efb228e061d88d98e2fee9e9cce3f3 · sha256:5e7e1f22e934017c… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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