CVE intelligence

CVE-2026-10275

Vulnerability intelligence

Published Jun 1, 2026Sources checked Nov 12, 2026

5.0MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2026-10275 and is rated Medium severity with a CVSS score of 5.0. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Jun 28, 2026

CBL-Mariner Releases

Vendor-listed releases

0.27.1-2

CISA KEVNot listedBased on the latest collected catalog

EPSS0.3%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-10275?

A flaw has been found in OpenSC up to 0.26.1. This affects the function test_kpgen_certwrite of the file src/tools/pkcs11-tool.c of the component pkcs11-tool Key Generation Module.

This manipulation causes buffer overflow. The attack is possible to be carried out remotely.

The complexity of an attack is rather high. It is indicated that the exploitability is difficult.

The exploit has been published and may be used. Patch name: 814f745b3b6d100295f65f1935edd33d520d33ab.

It is recommended to apply a patch to fix this issue.

Source: NVD