EIP-2026-115653

PRE-CVE

Microsoft Excel 2007 - JavaScript Code Remote Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115653. PoCs published by Juan Pablo Lopez Yacubian.

AI-analyzed exploit summary This exploit leverages a vulnerability in Microsoft Excel 2007 by embedding a malicious OBJECT tag with a JavaScript URL parameter, which triggers a denial-of-service condition. The PoC demonstrates the potential for arbitrary code execution, though this is unconfirmed.

Description

Microsoft Excel 2007 - JavaScript Code Remote Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by Juan Pablo Lopez Yacubian · htmldoswindows
https://www.exploit-db.com/exploits/31711

This exploit leverages a vulnerability in Microsoft Excel 2007 by embedding a malicious OBJECT tag with a JavaScript URL parameter, which triggers a denial-of-service condition. The PoC demonstrates the potential for arbitrary code execution, though this is unconfirmed.

Classification
Working Poc 80%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Excel 2007
No auth needed
Prerequisites: Victim must open the malicious HTML file in a vulnerable version of Microsoft Excel
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026