Vulnerability · Published Jan 23, 2026 · Assigned by VulnCheck
CVE-2021-47889Softros LAN Messenger 9.6.4 - 'SoftrosSpellChecker' Unquoted Service Path
High 7.8
In plain English
A high-severity security flaw in LAN Messenger from Softros Systems. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 96.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Softros LAN Messenger 9.6.4 contains an unquoted service path vulnerability in the SoftrosSpellChecker service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files (x86)\Softros Systems\Softros Messenger\Spell Checker\' to inject malicious executables and escalate privileges.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Softros Systems | LAN Messenger | 9.6.4 |
Weakness: CWE-428 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-49588 exploit
- Vendor Homepage product
- VulnCheck Advisory: Softros LAN Messenger 9.6.4 - 'SoftrosSpellChecker' Unquoted Service Path third-party-advisory