Is CVE-2017-11742 actively exploited?

CVE-2017-11742 has no public evidence of in-the-wild exploitation as of 2025-04-20.

What is the CVSS score for CVE-2017-11742?

CVE-2017-11742 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2017-11742?

Patch guidance is available from libexpat project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2017-11742.

Fix CVE-2017-11742 - HIGH libexpat project libexpat

Q: Which products are affected by CVE-2017-11742?

2 products: libexpat project libexpat, libexpat project libexpat.

Description

The writeRandomBytes_RtlGenRandom function in xmlparse.c in libexpat in Expat 2.2.1 and 2.2.2 on Windows allows local users to gain privileges via a Trojan horse ADVAPI32.DLL in the current working directory because of an untrusted search path, aka DLL hijacking.

CVSS Metrics

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-426

Metadata

Primary Vendor: LIBEXPAT_PROJECT
Published: 7/30/2017
Last Modified: 4/20/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

libexpat_project : libexpatlibexpat_project : libexpat

Remediation Guidance

Executive Summary

Cite this page

CVE-2017-11742. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2017-11742

View on NIST NVD

CVE-2017-11742 vulnerability