Exploited CVEs / Google / CVE-2025-6558
CVE-2025-6558
Google Chromium ANGLE and GPU Improper Input Validation Vulnerability. Exploitation in the wild is confirmed by CISA, not predicted. Federal agencies were required to remediate by 2025-08-12 (that deadline has passed); treat that date as the outer bound for your own environment. The fix is in the vendor advisory: Chrome Releases (security updates), linked below.
Actively exploited Google Chromium vulnerability, High severity, CVSS 8.8. Added to the CISA KEV catalog 2025-07-22.
Risk summary
Updated July 26, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.
Senserva AI Opinion for CVE-2025-6558
Incorrect validation of untrusted input in Chromium's ANGLE and GPU components, exploited in the wild and added to CISA KEV on July 22, 2025. Bugs at the GPU boundary are prized because they can serve as the sandbox-escape half of a full exploit chain, turning a renderer compromise into code execution on the host. High Severity (CVSS 8.8) with a 9% EPSS, affecting all Chromium-based browsers.
Do this: Verify fleet-wide browser updates beyond the July 2025 releases and prioritize machines where users browse with elevated local privileges.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2025-6558
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for CVE-2025-6558
Published and last-revised dates are authoritative, from Microsoft MSRC (or the CISA KEV date-added). Senserva additionally records day-to-day changes from 2026-07-07, refreshed several times a day; the change count reflects that forward-only tracking.
CISA required action
Federal (BOD 22-01) remediation due date: 2025-08-12 (past 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.
Official fix for CVE-2025-6558
The authoritative fix and affected-version list are published by the vendor. Find the Chromium advisory on Chrome Releases (security updates).
Common questions about CVE-2025-6558
Is CVE-2025-6558 actively exploited?
Yes. CVE-2025-6558 was added to the CISA Known Exploited Vulnerabilities (KEV) catalog on 2025-07-22, which means exploitation in the wild has been confirmed, not predicted. Its EPSS 30-day exploitation probability is 9.0%.
What is the CISA deadline and required action for CVE-2025-6558?
CISA set the federal (BOD 22-01) remediation due date at 2025-08-12, which has passed; treat any unremediated system as overdue. The verbatim 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.
What fixes CVE-2025-6558?
The authoritative fix is in the vendor advisory: see Chrome Releases (security updates) for the patched Chromium versions and any workarounds. KEV listing makes this a fix-first item: patch it ahead of higher-CVSS issues nobody is exploiting.
Can I ask my own AI about CVE-2025-6558?
Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2025-6558's key facts: severity, CVSS, EPSS, the KEV date, the CISA due date, and the required action. Copy it into Claude, ChatGPT, or Copilot; the data is refreshed twice a day (5 AM and 3 PM US Central).
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Authoritative references
Every actively exploited CVE, searchable with due dates and CSV export: the exploited-CVE tracker. The newest additions: exploited this week.
