Unquoted Service Path Vulnerability in Wondershare Driver Install Service
CVE-2020-36977

8.5HIGH

Key Information:

Vendor

Wondershare

Status
Wondershare Driver Install Service Help
Vendor
CVE Published:
27 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36977?

Wondershare Driver Install Service is susceptible to an unquoted service path issue in its ElevationService executable. This vulnerability allows local attackers to inject malicious code by exploiting the unquoted path. If successfully executed, an attacker could replace the legitimate service binary with a malicious executable, resulting in elevated privileges to the LocalSystem account. Such a compromise can lead to significant security risks, including unauthorized access to system resources and sensitive data.

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Deploy the Patch

Affected Version(s)

Wondershare Driver Install Service help 10.7.1.321

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-36977 - Proof of Concept

References

https://www.exploit-db.com/exploits/49101
exploit
https://www.wondershare.com/
product
https://www.wondershare.com/drfone/
product

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Luis Sandoval
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