IRONSMITHINTEL
HIGHCVSS8.8
|
Actively Exploited
|CISA KEV|CVE-2025-6558|Auth: none — unauthenticated|Reboot: required|Manual only

Google Chromium ANGLE and GPU Improper Input Validation Vulnerability

Google Chromium contains an improper input validation vulnerability in ANGLE and GPU. This vulnerability could allow a remote attacker to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Published Jul 15, 2025 · Updated May 16, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2025-08-12 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Improper Input Validation (CWE-20) vulnerability in Google Chromium. 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) Exploitation requires remote network access, low attack complexity, no authentication required, and user interaction required.

📧

Phishing link

🖼

Malicious file

🔓

Server compromised

Am I affected?Quick check

Probably yes if any of these apply:

IT Security
Running chrome: v < 138.0.7204.157; debian linux: 11.0; safari: v < 18.6; ipados: v < 18.6; iphone os: v < 18.6; macos: v < 15.6; visionos: v < 2.6; watchos: v < 11.6; wpe webkit: v < 2.48.0; webkitgtk: v < 2.48.0
Real-world incidentsWhat we've seen

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2025-07-22 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2025-08-12.

How to patch

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

References

    1
    Vendor advisory: https://chromereleases.googleblog.com/2025/07/stable-channel-update-for-desktop_15.html
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2025-6558
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6558
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