# CVE-2026-95366: Chromium CVE-2026-95366: Use of released resource in Core

CVE-2026-95366 is fixed in 9 products on 3 platforms, first by Google Chrome Dev (EXE) 155.0.8040.2, released September 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-95366
- Priority: Routine
- CVSS: 6.5 (Moderate)
- EPSS: 0.0022
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 25, 2026
- Weakness: Operation on a Resource after Expiration or Release
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-95366

## Description

<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/2026">Google Chrome Releases</a> for more information.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Google Chrome (EXE) | 154.0.8037.58 | [Google Chrome (EXE) 154.0.8037.58](https://patchblox.com/security/data/fix/windows-app/google.chrome.exe-154.0.8037.58.md) | Sep 22, 2026 |
| Windows apps | Google Chrome Beta (EXE) | 155.0.8059.5 | [Google Chrome Beta (EXE) 155.0.8059.5](https://patchblox.com/security/data/fix/windows-app/google.chrome.beta.exe-155.0.8059.5.md) | Sep 16, 2026 |
| Windows apps | Google Chrome Dev (EXE) | 155.0.8040.2 | [Google Chrome Dev (EXE) 155.0.8040.2](https://patchblox.com/security/data/fix/windows-app/google.chrome.dev.exe-155.0.8040.2.md) | Sep 4, 2026 |
| Windows apps | Microsoft Edge | 154.0.4258.48 | [Microsoft Edge 154.0.4258.48](https://patchblox.com/security/data/fix/windows-app/microsoft.edge-154.0.4258.48.md) | Sep 29, 2026 |
| Windows apps | Microsoft Edge Beta | 155.0.4283.33 | [Microsoft Edge Beta 155.0.4283.33](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.beta-155.0.4283.33.md) | Oct 2, 2026 |
| Windows apps | Microsoft Edge Dev | 155.0.4273.0 | [Microsoft Edge Dev 155.0.4273.0](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.dev-155.0.4273.0.md) | Sep 11, 2026 |
| Windows apps | Microsoft Edge WebView2 Runtime | 154.0.4258.48 | [Microsoft Edge WebView2 Runtime 154.0.4258.48](https://patchblox.com/security/data/fix/windows-app/microsoft.edgewebview2runtime-154.0.4258.48.md) | Sep 29, 2026 |
| macOS | Google Chrome | 154.0.8037.58 | [Google Chrome 154.0.8037.58](https://patchblox.com/security/data/fix/macos/com.google.chrome-154.0.8037.58.md) | Sep 21, 2026 |
| macOS | Microsoft Edge | 154.0.4258.48 | [Microsoft Edge 154.0.4258.48](https://patchblox.com/security/data/fix/macos/com.microsoft.edgemac-154.0.4258.48.md) | Sep 28, 2026 |
| Linux | chromium Debian 12.15 (bookworm) | 154.0.8037.57-1 | [DEBIAN-CVE-2026-95366](https://patchblox.com/security/data/fix/linux/debian-cve-2026-95366.md) | Sep 26, 2026 |
| Linux | chromium Debian 13.5 (trixie) | 154.0.8037.57-1~deb13u1 | [DEBIAN-CVE-2026-95366](https://patchblox.com/security/data/fix/linux/debian-cve-2026-95366.md) | Sep 26, 2026 |
| Linux | chromium Debian 14 | 154.0.8037.57-1 | [DEBIAN-CVE-2026-95366](https://patchblox.com/security/data/fix/linux/debian-cve-2026-95366.md) | Sep 26, 2026 |
| Linux | chromium opensuse-leap 16.0 | 154.0.8037.97-bp160.1.1 | [OPENSUSE-SU-2026:22023-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22023-1.md) | Nov 7, 2026 |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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