Google Chromium ANGLE and GPU Improper Input Validation Vulnerability

Are you affected?

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• cpe apple/ipadosversion unspecified
• cpe apple/iphone osversion unspecified
• cpe apple/macosversion unspecified
• cpe apple/safariversion unspecified
• cpe apple/visionosversion unspecified
• cpe apple/watchosversion unspecified
• cpe debian/debian linux11.0
• cpe google/chromeversion unspecified
• cpe webkitgtk/webkitgtkversion unspecified
• cpe wpewebkit/wpe webkitversion unspecified
• vendor Google Chrome 138.0.7204.157 <138.0.7204.157138.0.7204.157 <138.0.7204.157
• vendor Google Chromiumversion unspecified

How to fix CVE-2025-6558

• Recommended remediation

  Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA due date Aug 12, 2025.

• Official advisories

  • CISA KEV · cisa.gov
  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • EUVD · euvd.enisa.europa.eu
  • Gentoo GLSA · security.gentoo.org
  • NIST NVD · nvd.nist.gov

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Jul 15, 2025 · Catalog

   Detected

   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.

2. Jul 22, 2025 · CISA KEV

   Known exploited

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

3. Aug 12, 2025 · CISA KEV

   Remediation due

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

4. Oct 1, 2026 · Catalog

   Updated

   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.

Sources

• CISA KEVConfirmed exploitationCVE-2025-6558

  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.

  cisa.gov
• CVE.orgVulnerability recordCVE-2025-6558

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2025-6558

  30-day exploitation probability 10.9%

  first.org
• EUVDVulnerability recordEUVD-2025-21546

  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)

  euvd.enisa.europa.eu
• Gentoo GLSAVendor advisoryCVE-2025-6558

  Chromium, Google Chrome, Microsoft Edge, Opera, Vivaldi: Multiple Vulnerabilities (GLSA 202609-02) — Gentoo security

  security.gentoo.org
• NIST NVDVulnerability recordCVE-2025-6558

  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)

  nvd.nist.gov
• VulnCheck KEVConfirmed exploitationCVE-2025-6558

  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, inc

  vulncheck.com

References

• Third Party Advisory · seclists.org
• Third Party Advisory · seclists.org
• Third Party Advisory · seclists.org
• Third Party Advisory · seclists.org
• Third Party Advisory · seclists.org
• Mailing List · openwall.com
• VulnCheck exploitation evidence · 45734016.fs1.hubspotusercontent-na1.net
• VulnCheck exploitation evidence · cert.europa.eu
• CISA note · chromereleases.googleblog.com
• VulnCheck exploitation evidence · docs.google.com
• EUVD record · euvd.enisa.europa.eu
• Issue Tracking · issues.chromium.org
• CISA note · nvd.nist.gov
• VulnCheck exploitation evidence · cisa.gov
• VulnCheck exploitation evidence · rapid7.com

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.