CVE-2024-53326

HIGH

LINQPad Deserialization

STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2024-53326. PoCs published by msutovsky-r7 <[email protected]>, James Williams, including Metasploit module exploits/windows/persistence/linqpad_deserialization.

AI-analyzed exploit summary This Metasploit module exploits a deserialization vulnerability in LINQPad (up to version 5.48.00) by overwriting a cache file with a malicious payload. The payload is executed when the application restarts, leading to remote code execution.

Description

LINQPad before 5.52.01 Pro edition is vulnerable to Unsafe Deserialization in LINQPad.AutoRefManager::PopulateFromCache(), leading to code execution.

Exploits (1)

metasploit WORKING POC NORMAL
by msutovsky-r7 <[email protected]>, James Williams · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/persistence/linqpad_deserialization.rb

This Metasploit module exploits a deserialization vulnerability in LINQPad (up to version 5.48.00) by overwriting a cache file with a malicious payload. The payload is executed when the application restarts, leading to remote code execution.

Classification
Working Poc 100%
Attack Type
Deserialization
Complexity
Moderate
Reliability
Reliable
Target: LINQPad up to version 5.48.00
No auth needed
Prerequisites: Access to the cache file directory · Paid version of LINQPad
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 7.3
EPSS 0.0044
EPSS Percentile 34.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-502
Status published
Published May 08, 2026
Tracked Since Feb 18, 2026