CVE-2020-37254 Wondershare PDFelement 5.2.9 Privilege Escalation via Unquoted Service Path

High 8.5 Published Updated

Local attackers can escalate privileges to LocalSystem by placing a malicious executable in the unquoted service path of Wondershare PDFelement.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-37254?

CVE-2020-37254 is a high-severity vulnerability in Wondershare PDFelement, published on 19 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-428

Which versions are affected by CVE-2020-37254?

How do I fix CVE-2020-37254?

No fix has been published for CVE-2020-37254 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-37254 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37254 exists.

Sources

Also known as GHSA-xvcc-cxhc-j68h.

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