CVE-2023-54331

HIGH

Outline 1.6.0 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-54331. PoCs published by Milad karimi.

AI-analyzed exploit summary This is a writeup detailing an unquoted service path vulnerability in Outline V1.6.0. The author demonstrates how the service path lacks quotes, potentially allowing local privilege escalation if an attacker can place a malicious executable in the path.

Description

Outline 1.6.0 contains an unquoted service path vulnerability that allows local attackers to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted service path in the OutlineService executable to inject malicious code that will be executed with LocalSystem permissions.

Exploits (1)

exploitdb WRITEUP
by Milad karimi · textlocalwindows
https://www.exploit-db.com/exploits/51128

This is a writeup detailing an unquoted service path vulnerability in Outline V1.6.0. The author demonstrates how the service path lacks quotes, potentially allowing local privilege escalation if an attacker can place a malicious executable in the path.

Classification
Writeup 90%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: Outline V1.6.0
Auth required
Prerequisites: Local access to the system · Ability to write to the root of C:\
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/51128
Product product
https://getoutline.org/
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/outline-unquoted-service-path

Scores

CVSS v3 7.8
EPSS 0.0020
EPSS Percentile 9.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-428
Status published
Products (1)
getoutline/outline
Published Jan 13, 2026
Tracked Since Feb 18, 2026