CVE-2026-34054
openssl on Windows built with openssldir set from the build machine (Uncontrolled Search Path Element)
CVSS Score
7.8
EPSS Score
0.1%
EPSS Percentile
19th
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.
| CWE | CWE-427 |
| Vendor | microsoft |
| Product | vcpkg |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Mar 31, 2026 |
| Last Updated | Apr 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
microsoft / vcpkg
< 3.6.1#3