Is CVE-2026-34054 actively exploited?

CVE-2026-34054 has no public evidence of in-the-wild exploitation as of 2026-04-01.

What is the CVSS score for CVE-2026-34054?

CVE-2026-34054 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2026-34054?

Vendor patch guidance is linked from the references on this page. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-34054.

Which products are affected by CVE-2026-34054?

Affected products for CVE-2026-34054 are listed on this page once vendor data becomes available.

Fix CVE-2026-34054 - HIGH Vulnerability

Description

vcpkg is a free and open-source C/C++ package manager. Prior to version 3.6.1#3, vcpkg's Windows builds of OpenSSL set openssldir to a path on the build machine, making that path be attackable later on customer machines. This issue has been patched in version 3.6.1#3.

CVSS Metrics

Vector: CVSS:3.1/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-427

Metadata

Primary Vendor: UNKNOWN
Published: 3/31/2026
Last Modified: 4/1/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-34054

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary