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Vulnerability record · CVE-2020-37254 · published 19 June 2026

CVE-2020-37254: Unquoted search path vulnerability

Wondershare PDFelement 5.2.9 contains a privilege escalation vulnerability due to an unquoted service path in the WsAppService Windows service. Local attackers can place a malicious executable in the service path and execute code with LocalSystem privileges upon service restart or system reboot.

8.5 CVSS 4.0 High EPSS 0.18% · top 93.7% CWE-428 · Unquoted search path Awaiting Analysis
8.5CVSS 4.0 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
29 Sep 2026Last modified by NVD

Description

Wondershare PDFelement 5.2.9 contains a privilege escalation vulnerability due to an unquoted service path in the WsAppService Windows service. Local attackers can place a malicious executable in the service path and execute code with LocalSystem privileges upon service restart or system reboot.

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:

References

LinkTags
http://download.wondershare.com/inst/pdfelement_setup_full1042.exe
https://www.exploit-db.com/exploits/40535
https://www.vulncheck.com/advisories/wondershare-pdfelement-privilege-escalation-via-unquoted-service-path
https://www.wondershare.com/

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Source: NIST National Vulnerability Database (record CVE-2020-37254), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.