EIP-2026-100432

PRE-CVE

Microsoft Lync Server 2010 - 'ReachJoin.aspx' Remote Command Injection

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-100432. PoCs published by Mark Lachniet.

AI-analyzed exploit summary The exploit demonstrates a command injection vulnerability in Microsoft Lync Server 2010 by crafting a malicious URL that injects JavaScript code. The payload triggers an alert dialog, confirming the vulnerability's presence and potential for arbitrary command execution.

Description

Microsoft Lync Server 2010 - 'ReachJoin.aspx' Remote Command Injection

Exploits (1)

exploitdb WORKING POC VERIFIED
by Mark Lachniet · textwebappsasp
https://www.exploit-db.com/exploits/35852

The exploit demonstrates a command injection vulnerability in Microsoft Lync Server 2010 by crafting a malicious URL that injects JavaScript code. The payload triggers an alert dialog, confirming the vulnerability's presence and potential for arbitrary command execution.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Lync Server 2010 version 4.0.7577.0
No auth needed
Prerequisites: Access to the target server's ReachJoin.aspx endpoint
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026