CVE-2021-47889 Softros LAN Messenger 9.6.4 - 'SoftrosSpellChecker' Unquoted Service Path
Local attackers can execute arbitrary code and escalate privileges by exploiting an unquoted service path in Softros LAN Messenger.
- 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-2021-47889?
CVE-2021-47889 is a high-severity vulnerability in Softros Systems LAN Messenger, published on 23 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-428
Which versions are affected by CVE-2021-47889?
How do I fix CVE-2021-47889?
No fix has been published for CVE-2021-47889 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-47889 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47889 exists.
Sources
Also known as GHSA-2wg5-9j86-2mmq.