Chromium: CVE-2025-6554 Type Confusion in V8
CVE-2025-6554 is fixed in 7 products on 2 platforms, first by Microsoft Edge Dev 139.0.3365.2, released June 10, 2025. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on July 2, 2025. Patch Radar priority: Patch now.
<p>This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/202%5BSS9.1%5D5">Google Chrome Releases</a> for more information. Google is aware that an exploit for CVE-2025-6554 exists in the wild.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Google Chrome (EXE) | 144.0.7559.133 | Google Chrome (EXE) 144.0.7559.133 | Feb 3, 2026 |
| Google Chrome Dev (EXE) | 144.0.7534.3 | Google Chrome Dev (EXE) 144.0.7534.3 | Nov 20, 2025 |
| Microsoft Edge | 138.0.3351.65 | Microsoft Edge 138.0.3351.65 | Jul 1, 2025 |
| Microsoft Edge Beta | 138.0.3351.65 | Microsoft Edge Beta 138.0.3351.65 | Jul 1, 2025 |
| Microsoft Edge Dev | 139.0.3365.2 | Microsoft Edge Dev 139.0.3365.2 | Jun 10, 2025 |
| Microsoft Edge WebView2 Runtime | 138.0.3351.65 | Microsoft Edge WebView2 Runtime 138.0.3351.65 | Jul 1, 2025 |
| Linux | |||
| chromium · Debian 12.15 (bookworm) | 138.0.7204.92-1~deb12u1 | DSA-5955-1 | Jul 2, 2025 |
| chromium · Debian 13.5 (trixie) | 138.0.7204.92-1 | DEBIAN-CVE-2025-6554 | Jun 30, 2025 |
| chromium · Debian 14 | 138.0.7204.92-1 | DEBIAN-CVE-2025-6554 | Jun 30, 2025 |
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