# CVE-2026-5278: Google Chrome: Use after free

CVE-2026-5278 is fixed in 7 products on 2 platforms, first by Google Chrome Dev (EXE) 147.0.7695.0, released February 19, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-5278
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0041
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 1, 2026
- Weakness: CWE-416: Use after free
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-5278

## Description

Use after free in Web MIDI in Google Chrome on Android prior to 146.0.7680.178 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

## 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) | 146.0.7680.178 | [Google Chrome (EXE) 146.0.7680.178](https://patchblox.com/security/data/fix/windows-app/google.chrome.exe-146.0.7680.178.md) | Mar 31, 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) | 147.0.7727.3 | [Google Chrome Beta (EXE) 147.0.7727.3](https://patchblox.com/security/data/fix/windows-app/google.chrome.beta.exe-147.0.7727.3.md) | Mar 11, 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) | 147.0.7695.0 | [Google Chrome Dev (EXE) 147.0.7695.0](https://patchblox.com/security/data/fix/windows-app/google.chrome.dev.exe-147.0.7695.0.md) | Feb 19, 2026 |
| Linux | chromium Debian 12.15 (bookworm) | 146.0.7680.177-1~deb12u1 | [DEBIAN-CVE-2026-5278](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5278.md) | Apr 1, 2026 |
| Linux | chromium Debian 13.5 (trixie) | 146.0.7680.177-1~deb13u1 | [DEBIAN-CVE-2026-5278](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5278.md) | Apr 1, 2026 |
| Linux | chromium Debian 14 | 146.0.7680.177-1 | [DEBIAN-CVE-2026-5278](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5278.md) | Apr 1, 2026 |
| Linux | chromium opensuse-leap 16.0 | 146.0.7680.177-bp160.1.1 | [OPENSUSE-SU-2026:20460-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20460-1.md) | Aug 31, 2026 |

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Data as of 2026-11-08T13:06:02Z 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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