EIP-2026-117479

PRE-CVE

Microsoft Data Sharing - Local Privilege Escalation (PoC)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117479. PoCs published by SandboxEscaper.

AI-analyzed exploit summary The writeup describes an arbitrary file deletion vulnerability in the `RpcDSSMoveFromSharedFile` function exposed over ALPC, caused by a lack of impersonation due to an early revert to self. The PoC exploits this to delete `pci.sys` by retrying until timing conditions are met, requiring multi-core VMs for reliability.

Description

Microsoft Data Sharing - Local Privilege Escalation (PoC)

Exploits (1)

exploitdb WRITEUP
by SandboxEscaper · localwindows
https://www.exploit-db.com/exploits/45675

The writeup describes an arbitrary file deletion vulnerability in the `RpcDSSMoveFromSharedFile` function exposed over ALPC, caused by a lack of impersonation due to an early revert to self. The PoC exploits this to delete `pci.sys` by retrying until timing conditions are met, requiring multi-core VMs for reliability.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Racy
Target: Windows (specific version not specified)
No auth needed
Prerequisites: Multi-core VM · ALPC access to the vulnerable function
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026