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Description

Outline Service 1.3.3 contains an unquoted service path vulnerability that allows local users to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted binary path in C:\Program Files (x86)\Outline to inject malicious code that would execute with LocalSystem permissions during service startup.

PUBLISHED Reserved 2026-01-28 | Published 2026-01-30 | Updated 2026-01-30 | Assigner VulnCheck




HIGH: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

Unquoted Search Path or Element

Product status

Any version
affected

Credits

Minh Tuan - SunCSR finder

References

www.exploit-db.com/exploits/48414 (ExploitDB-48414) exploit

getoutline.org/vi/home (Outline Service Official Homepage) product

www.vulncheck.com/...e-outline-service-unquoted-service-path (VulnCheck Advisory: Outline Service 1.3.3 - 'Outline Service ' Unquoted Service Path) third-party-advisory

cve.org (CVE-2020-37030)

nvd.nist.gov (CVE-2020-37030)

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