EIP-2026-118869

PRE-CVE

Microsoft Virtual Machine - Arbitrary Java Codebase Execution

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118869. PoCs published by Georgi Guninski.

AI-analyzed exploit summary This exploit leverages a Java applet vulnerability in Microsoft Internet Explorer 5.5 and Outlook/Outlook Express to read arbitrary local files by specifying a custom codebase via an OBJECT tag. The PoC demonstrates reading C:\TEST.TXT and listing the contents of C:\.

Description

Microsoft Virtual Machine - Arbitrary Java Codebase Execution

Exploits (1)

exploitdb WORKING POC VERIFIED
by Georgi Guninski · htmlremotewindows
https://www.exploit-db.com/exploits/20306

This exploit leverages a Java applet vulnerability in Microsoft Internet Explorer 5.5 and Outlook/Outlook Express to read arbitrary local files by specifying a custom codebase via an OBJECT tag. The PoC demonstrates reading C:\TEST.TXT and listing the contents of C:\.

Classification
Working Poc 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Internet Explorer 5.5, Outlook/Outlook Express
No auth needed
Prerequisites: Victim must open the malicious HTML file or email · Java applet support enabled in the target software
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026