CVE-2021-47889

HIGH

Softros LAN Messenger 9.6.4 - Code Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-47889. PoCs published by Victor Mondragón.

AI-analyzed exploit summary This is a writeup detailing an unquoted service path vulnerability in Softros LAN Messenger 9.6.4. The vulnerability allows local privilege escalation due to improper handling of spaces in the service path.

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.

Exploits (1)

exploitdb WRITEUP
by Victor Mondragón · textlocalwindows
https://www.exploit-db.com/exploits/49588

This is a writeup detailing an unquoted service path vulnerability in Softros LAN Messenger 9.6.4. The vulnerability allows local privilege escalation due to improper handling of spaces in the service path.

Classification
Writeup 90%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: Softros LAN Messenger 9.6.4
Auth required
Prerequisites: Local access to the system · Ability to write to the vulnerable path
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/49588
Various Sources product
https://www.softros.com/

Scores

CVSS v3 7.8
EPSS 0.0012
EPSS Percentile 2.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-428
Status published
Published Jan 23, 2026
Tracked Since Feb 18, 2026