Is CVE-2026-3386 actively exploited?

No active exploitation of CVE-2026-3386 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-3386 be exploited remotely?

No. CVE-2026-3386 requires local access to exploit.

What is the CVSS score of CVE-2026-3386?

CVE-2026-3386 has a CVSS score of 7.1 (HIGH).

HOME VULNERABILITIESCVE-2026-3386

HIGH

CVE-2026-3386

CWE-119Published: March 1, 2026· Updated: Mar 5, 2026

7.1

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:2.0th

Official Description

A flaw has been found in wren-lang wren up to 0.4.0. Affected by this vulnerability is the function emitOp of the file src/vm/wren_compiler.c. This manipulation causes out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-3386 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), availability disruption (denial of service), with a CVSS base score of 7.1.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges Req.Low

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected Vendors & Products

wren1 product

wren

Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Exploit-DB

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

PacketStorm

Security advisories & exploits

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/wren-lang/wren/issues/1219

ADVISORYhttps://vuldb.com/?id.348272

ADVISORYhttps://vuldb.com/?submit.761306

News & Research Mentioning CVE-2026-3386

Siemens Teamcenter

CISA Alerts· May 14, 2026

View CSAF Summary Siemens Teamcenter is affected by multiple vulnerabilities which could potentially lead to a compromise in availability, integrity and confidentiality. Siemens has released new versions for the affected products and recommends to update to the latest versions. The following versions of Siemens Teamcenter are affected: Teamcenter V2312 vers:intdot/<2312.0014, vers:intdot/<2312.0009 (CVE-2026-33862, CVE-2026-33893, CVE-2024-4367) Teamcenter V2406 vers:intdot/<2406.0012, vers:intdot/<2406.0006 (CVE-2026-33862, CVE-2026-33893, CVE-2024-4367) Teamcenter V2412 vers:intdot/<2412.0009 (CVE-2026-33862, CVE-2026-33893) Teamcenter V2506 vers:intdot/<2506.0005 (CVE-2026-33862, CVE-2026-33893) Teamcenter V2512 vers:all/* CVSS Vendor Equipment Vu [xlite_meta score:73 src:CISA Alerts xlite_fp:a7bb242287591fda8612b11c9044eb215c771058e6cd15528f7a2740e1131e36]