CVE-2020-37253

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CVSS 4.0

8.5 high

EPSS

<1%p5

Published

Jun 19, 2026 (Jun 19, 2026)

Modified

Jun 23, 2026

Description

Winstep 18.06.0096 contains an unquoted service path vulnerability in the Winstep Xtreme Service that allows local attackers to escalate privileges. Attackers can place malicious executables in the Program Files directory to be executed with LocalSystem privileges when the service starts.

Weakness: CWE-428
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD CVE.org GitHub PoCs EPSS (0.2%)

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