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CVE-2025-6558

8.8 · HIGHActively Exploited

Insufficient validation of untrusted input in ANGLE and GPU in Google Chrome prior to 138.0.7204.157 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Published Jul 15, 2025CWE-20EPSS 10.93%

Overview

CVE-2025-6558 is a high-severity vulnerability. It was published on July 15, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Insufficient validation of untrusted input in ANGLE and GPU in Google Chrome prior to 138.0.7204.157 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

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

Refchromereleases.googleblog.com/2025/07/stable-channel-update-for-desktop_15.htmlRefissues.chromium.org/issues/427162086Refseclists.org/fulldisclosure/2025/Aug/0Refseclists.org/fulldisclosure/2025/Jul/30Refseclists.org/fulldisclosure/2025/Jul/32Refseclists.org/fulldisclosure/2025/Jul/35Refseclists.org/fulldisclosure/2025/Jul/37Refwww.openwall.com/lists/oss-security/2025/08/02/1Reflists.debian.org/debian-lts-announce/2025/08/msg00015.htmlCISAwww.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6558

How CyberStrike helps

Frequently asked questions

What is CVE-2025-6558?

CVE-2025-6558 is a high-severity vulnerability. It was published on July 15, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2025-6558?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-6558?

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-2025-6558?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-6558 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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