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CVE-2026-27662

7.7 · HIGH

Affected devices do not properly restrict access to the web browser via the Control Panel when no corresponding security mechanisms are in place.

Published May 12, 2026CWE-1188EPSS 0.17%

Overview

CVE-2026-27662 is a high-severity vulnerability. It was published on May 12, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

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

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcert-portal.siemens.com/productcert/html/ssa-387223.html

How CyberStrike helps

Frequently asked questions

What is CVE-2026-27662?

CVE-2026-27662 is a high-severity vulnerability. It was published on May 12, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

How severe is CVE-2026-27662?

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-27662?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-27662?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-27662 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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