EIP-2026-117568

PRE-CVE

Microsoft Windows FxCop 10/12 - XML External Entity Injection

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117568. PoCs published by hyp3rlinx.

AI-analyzed exploit summary This exploit demonstrates an XML External Entity (XXE) injection vulnerability in Microsoft Windows FxCop versions 10-12, allowing local file exfiltration or NTLM hash theft via a crafted .FxCop project file. The PoC includes a malicious DTD file hosted on an attacker-controlled server to exfiltrate file contents.

Description

Microsoft Windows FxCop 10/12 - XML External Entity Injection

Exploits (1)

exploitdb WORKING POC
by hyp3rlinx · textlocalwindows
https://www.exploit-db.com/exploits/44603

This exploit demonstrates an XML External Entity (XXE) injection vulnerability in Microsoft Windows FxCop versions 10-12, allowing local file exfiltration or NTLM hash theft via a crafted .FxCop project file. The PoC includes a malicious DTD file hosted on an attacker-controlled server to exfiltrate file contents.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Windows FxCop v10-12
No auth needed
Prerequisites: Attacker-controlled server to host payload.dtd · Victim must open the malicious .FxCop file
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026