EIP-2026-117559

PRE-CVE

Microsoft Windows 8.1 - Local WebDAV NTLM Reflection Privilege Escalation

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117559. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit leverages a WebDAV NTLM reflection vulnerability in Windows 7/8.1 to elevate privileges to Local System by tricking the Windows Defender service into authenticating to a malicious WebDAV server, which then relays the credentials to the local SMB service.

Description

Microsoft Windows 8.1 - Local WebDAV NTLM Reflection Privilege Escalation

Exploits (1)

exploitdb WORKING POC
by Google Security Research · textlocalwindows
https://www.exploit-db.com/exploits/36424

This exploit leverages a WebDAV NTLM reflection vulnerability in Windows 7/8.1 to elevate privileges to Local System by tricking the Windows Defender service into authenticating to a malicious WebDAV server, which then relays the credentials to the local SMB service.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Windows 7, Windows 8.1 Update
No auth needed
Prerequisites: Java 8 JRE installed · WebClient service started · Local user access
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026