CVE-2026-27664 HIGH

CVE-2026-27664

Vendor Siemens
Product CPCI85 Central Processing/Communication
Weakness CWE-787
Published March 26, 2026
Last update April 14, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.10), SICORE Base system (All versions < V26.10.0). The affected application contains an out-of-bounds write vulnerability while parsing specially crafted XML inputs. This could allow an unauthenticated attacker to exploit this issue by sending a malicious XML request, which may cause the service to crash, resulting in a denial-of-service condition.

Key dates

02Disclosure timeline

March 26, 2026 CVE published
April 14, 2026 Record updated