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Vulnerability record · CVE-2020-36977 · published 27 January 2026

CVE-2020-36977: Unquoted search path vulnerability

Wondershare Driver Install Service contains an unquoted service path vulnerability in the ElevationService executable that allows local attackers to potentially inject malicious code. Attackers can exploit the unquoted path to replace the service binary with a malicious executable, enabling privilege escalation to LocalSystem account.

8.5 CVSS 4.0 High EPSS 0.20% · top 90.7% CWE-428 · Unquoted search path Deferred
8.5CVSS 4.0 base score
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

Wondershare Driver Install Service contains an unquoted service path vulnerability in the ElevationService executable that allows local attackers to potentially inject malicious code. Attackers can exploit the unquoted path to replace the service binary with a malicious executable, enabling privilege escalation to LocalSystem account.

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://www.exploit-db.com/exploits/49101
https://www.vulncheck.com/advisories/wondershare-driver-install-service-help-elevationservice-unquote-service-path
https://www.wondershare.com/
https://www.wondershare.com/drfone/
https://www.exploit-db.com/exploits/49101

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Source: NIST National Vulnerability Database (record CVE-2020-36977), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.