CVE-2025-6558

Name: CVE-2025-6558
Creator: NVD / NIST
Published: 2025-07-15T18:15:24.533+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 9.52%

Last modified Jun 17, 2026

CVE-2025-6558 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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). CISA has confirmed active exploitation in the wild. EPSS estimates a 9.52% chance of exploitation in the next 30 days.

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)

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

9.52%

94.8th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Aug 12, 2025.

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Google	Chrome	< 138.0.7204.157
Debian	Debian Linux	11.0
Apple	Safari	< 18.6
Apple	Ipados	< 18.6
Apple	Iphone Os	< 18.6
Apple	Macos	< 15.6
Apple	Visionos	< 2.6
Apple	Watchos	< 11.6
Wpewebkit	Wpe Webkit	< 2.48.0
Webkitgtk	Webkitgtk	< 2.48.0

References

https://chromereleases.googleblog.com/2025/07/stable-channel-update-for-desktop_15.htmlRelease Notes
https://issues.chromium.org/issues/427162086Issue Tracking, Permissions Required
http://seclists.org/fulldisclosure/2025/Aug/0Third Party Advisory
http://seclists.org/fulldisclosure/2025/Jul/30Third Party Advisory
http://seclists.org/fulldisclosure/2025/Jul/32Third Party Advisory
http://seclists.org/fulldisclosure/2025/Jul/35Third Party Advisory
http://seclists.org/fulldisclosure/2025/Jul/37Third Party Advisory
http://www.openwall.com/lists/oss-security/2025/08/02/1Mailing List
https://lists.debian.org/debian-lts-announce/2025/08/msg00015.htmlMailing List, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6558US Government Resource

Timeline

Published: Jul 15, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-6558?

How severe is CVE-2025-6558?

CVE-2025-6558 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 9.52% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2025-6558?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-6558?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST