# CVE-2026-5877: Chromium: CVE-2026-5877 Use after free in Navigation

CVE-2026-5877 is fixed in 11 products on 2 platforms, first by Google Chrome Dev (EXE) 148.0.7730.2, released March 13, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-5877
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0032
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 8, 2026
- Weakness: CWE-416: Use after free
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-5877

## 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 | 156.0.8078.80 | [Google Chrome 156.0.8078.80](https://patchblox.com/security/data/fix/windows-app/google.chrome-156.0.8078.80.md) | Oct 29, 2026 |
| Windows apps | Google Chrome (EXE) | 147.0.7727.56 | [Google Chrome (EXE) 147.0.7727.56](https://patchblox.com/security/data/fix/windows-app/google.chrome.exe-147.0.7727.56.md) | Apr 6, 2026 |
| Windows apps | Google Chrome Beta | 158.0.8127.2 | [Google Chrome Beta 158.0.8127.2](https://patchblox.com/security/data/fix/windows-app/google.chrome.beta-158.0.8127.2.md) | Oct 28, 2026 |
| Windows apps | Google Chrome Beta (EXE) | 148.0.7778.5 | [Google Chrome Beta (EXE) 148.0.7778.5](https://patchblox.com/security/data/fix/windows-app/google.chrome.beta.exe-148.0.7778.5.md) | Apr 8, 2026 |
| Windows apps | Google Chrome Dev | 159.0.8130.0 | [Google Chrome Dev 159.0.8130.0](https://patchblox.com/security/data/fix/windows-app/google.chrome.dev-159.0.8130.0.md) | Oct 30, 2026 |
| Windows apps | Google Chrome Dev (EXE) | 148.0.7730.2 | [Google Chrome Dev (EXE) 148.0.7730.2](https://patchblox.com/security/data/fix/windows-app/google.chrome.dev.exe-148.0.7730.2.md) | Mar 13, 2026 |
| Windows apps | Microsoft Edge | 147.0.3912.60 | [Microsoft Edge 147.0.3912.60](https://patchblox.com/security/data/fix/windows-app/microsoft.edge-147.0.3912.60.md) | Apr 10, 2026 |
| Windows apps | Microsoft Edge Beta | 151.0.4129.59 | [Microsoft Edge Beta 151.0.4129.59](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.beta-151.0.4129.59.md) | Jul 31, 2026 |
| Windows apps | Microsoft Edge Dev | 152.0.4167.0 | [Microsoft Edge Dev 152.0.4167.0](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.dev-152.0.4167.0.md) | Jul 20, 2026 |
| Windows apps | Microsoft Edge WebView2 Runtime | 147.0.3912.60 | [Microsoft Edge WebView2 Runtime 147.0.3912.60](https://patchblox.com/security/data/fix/windows-app/microsoft.edgewebview2runtime-147.0.3912.60.md) | Apr 10, 2026 |
| Linux | chromium Debian 12.15 (bookworm) | 147.0.7727.55-1~deb12u1 | [DEBIAN-CVE-2026-5877](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5877.md) | Apr 8, 2026 |
| Linux | chromium Debian 13.5 (trixie) | 147.0.7727.55-1~deb13u1 | [DEBIAN-CVE-2026-5877](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5877.md) | Apr 8, 2026 |
| Linux | chromium Debian 14 | 147.0.7727.55-1 | [DEBIAN-CVE-2026-5877](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5877.md) | Apr 8, 2026 |
| Linux | chromium opensuse-leap 16.0 | 147.0.7727.137-bp160.1.1 | [OPENSUSE-SU-2026:20660-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20660-1.md) | Aug 31, 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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