EIP-2026-115792

PRE-CVE

Microsoft Windows Defender - Controlled Folder Bypass Through UNC Path

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115792. PoCs published by Google Security Research.

AI-analyzed exploit summary This C# PoC demonstrates a bypass of Windows Defender's Controlled Folder Access feature by using a local UNC admin share path (e.g., \\localhost\c$\...) to delete a protected file, circumventing the blacklist-based protection.

Description

Microsoft Windows Defender - Controlled Folder Bypass Through UNC Path

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · doswindows
https://www.exploit-db.com/exploits/43229

This C# PoC demonstrates a bypass of Windows Defender's Controlled Folder Access feature by using a local UNC admin share path (e.g., \\localhost\c$\...) to delete a protected file, circumventing the blacklist-based protection.

Classification
Working Poc 100%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Windows Defender (Antimalware client version 4.12.16299.15) on Windows 10 1709
Auth required
Prerequisites: Unsandboxed user context · Controlled Folder Access enabled · Target file in a protected location
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026