Cyber Posture

CVE-2026-27662

High

Published: 12 May 2026

Published
12 May 2026
Modified
12 May 2026
KEV Added
Patch
CVSS Score 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS Score 0.0003 7.3th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-27662 is a high-severity Initialization of a Resource with an Insecure Default (CWE-1188) vulnerability in Siemens (inferred from references). Its CVSS base score is 7.7 (High).

Operationally, ranked at the 7.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-1188

Requires documented secure initialization practices and avoidance of insecure defaults in configuration baselines.

addresses: CWE-1188

Reviewing and updating baseline when components are installed or upgraded prevents initialization with insecure defaults.

addresses: CWE-1188

Requiring explicit configuration to minimal functionality overrides insecure defaults that would otherwise enable excess capabilities.

addresses: CWE-1188

Tailoring replaces or augments insecure default initializations with system-specific values and compensating controls before deployment.

addresses: CWE-1188

Central configuration overrides or replaces insecure default initializations that would otherwise be left unchanged on each system.

addresses: CWE-1188

SCRM practices during acquisition and configuration management address insecure default initializations shipped by vendors.

addresses: CWE-1188

Scans detect resources initialized with insecure defaults that create exploitable conditions.

addresses: CWE-1188

Instruction on secure initialization of security controls prevents leaving resources with insecure defaults after installation.

NVD Description

Affected devices do not properly restrict access to the web browser via the Control Panel when no corresponding security mechanisms are in place. This could allow an unauthenticated attacker to gain unauthorized access to the web browser, potentially enabling the…

more

discovery of backdoors, performing unauthorized actions, or exploiting misconfigurations that may lead to further system compromise.

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)

Affected Products

Siemens
inferred from references and description; NVD did not file a CPE for this CVE

References