EIP-2026-117486

PRE-CVE

Microsoft Excel Starter 2010 - XML External Entity Injection

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117486. PoCs published by hyp3rlinx.

AI-analyzed exploit summary The exploit demonstrates an XXE (XML External Entity) vulnerability in Microsoft Excel Starter 2010, allowing remote file disclosure by crafting a malicious .xls file that exfiltrates system files to an attacker-controlled server.

Description

Microsoft Excel Starter 2010 - XML External Entity Injection

Exploits (1)

exploitdb WORKING POC
by hyp3rlinx · textlocalwindows
https://www.exploit-db.com/exploits/40860

The exploit demonstrates an XXE (XML External Entity) vulnerability in Microsoft Excel Starter 2010, allowing remote file disclosure by crafting a malicious .xls file that exfiltrates system files to an attacker-controlled server.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Excel Starter 2010
No auth needed
Prerequisites: Victim must open the malicious .xls file · Attacker must host a malicious DTD file on a server · Victim must use an unpatched version of Microsoft Excel Starter 2010
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026