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Vulnerability record · CVE-2020-36957 · published 26 January 2026

CVE-2020-36957: Unquoted search path vulnerability

PDF Complete 3.5.310.2002 contains an unquoted service path vulnerability in its pdfsvc.exe service configuration. Attackers can exploit the unquoted path to inject and execute malicious code with elevated LocalSystem privileges.

8.5 CVSS 4.0 High EPSS 0.15% · top 96.6% CWE-428 · Unquoted search path Deferred
8.5CVSS 4.0 base score
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

PDF Complete 3.5.310.2002 contains an unquoted service path vulnerability in its pdfsvc.exe service configuration. Attackers can exploit the unquoted path to inject and execute malicious code with elevated LocalSystem privileges.

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
https://pdf-complete.informer.com/3.5/
https://www.exploit-db.com/exploits/49226
https://www.vulncheck.com/advisories/pdf-complete-pdfsvcexe-unquoted-service-path

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Source: NIST National Vulnerability Database (record CVE-2020-36957), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.