CVE-2021-35449

HIGH

Lexmark Universal Print Driver <2.15.1.0 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-35449. PoCs published by Jacob Baines, Shelby Pace, Grant Willcox, including Metasploit module exploits/windows/local/lexmark_driver_privesc.

AI-analyzed exploit summary This Metasploit module exploits a privilege escalation vulnerability in Lexmark Universal Printer drivers by modifying a GDL file to load a malicious DLL, which is then executed by PrintIsolationHost.exe as SYSTEM.

Description

The Lexmark Universal Print Driver version 2.15.1.0 and below, G2 driver 2.7.1.0 and below, G3 driver 3.2.0.0 and below, and G4 driver 4.2.1.0 and below are affected by a privilege escalation vulnerability. A standard low priviliged user can use the driver to execute a DLL of their choosing during the add printer process, resulting in escalation of privileges to SYSTEM.

Exploits (1)

metasploit WORKING POC NORMAL
by Jacob Baines, Shelby Pace, Grant Willcox · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/lexmark_driver_privesc.rb

This Metasploit module exploits a privilege escalation vulnerability in Lexmark Universal Printer drivers by modifying a GDL file to load a malicious DLL, which is then executed by PrintIsolationHost.exe as SYSTEM.

Classification
Working Poc 100%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Lexmark Universal Printer drivers (Lexmark Universal v2, Lexmark Universal v2 XL, Lexmark Printer Software G2, Lexmark Printer Software G2 XL)
Auth required
Prerequisites: Low-privileged authenticated access to a Windows system with vulnerable Lexmark drivers installed · Meterpreter session
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
http://support.lexmark.com/alerts/
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/163811/Lexmark-Driver-Privilege-Escalation.html

Scores

CVSS v3 7.8
EPSS 0.0141
EPSS Percentile 69.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-732
Status published
Products (4)
lexmark/g2_driver < 2.7.1.0
lexmark/g3_driver < 3.2.0.0
lexmark/g4_driver < 4.2.1.0
lexmark/universal_print_driver < 2.15.1.0
Published Jul 19, 2021
Tracked Since Feb 18, 2026