Vulnerability · Published Jan 28, 2026 · Assigned by VulnCheck

CVE-2020-36991ShareMouse 5.0.43 - 'ShareMouse Service' Unquoted Service Path

High 7.8

In plain English

A high-severity security flaw in ShareMouse from Sharemouse. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 93.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

ShareMouse 5.0.43 contains an unquoted service path vulnerability that allows local users to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the insecure service path configuration by placing malicious executables in specific system directories to gain elevated access during service startup.

Affected products (as reported)

VendorProductVersions
Sharemouse ShareMouse 5.0.43

Weakness: CWE-428 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References