# CVE-2026-12023: Google Chrome: Use after free

CVE-2026-12023 is fixed in 2 products on 2 platforms, first by Google Chrome 149.0.7827.156, released June 16, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-12023
- Priority: High
- CVSS: 8.3 (high)
- EPSS: 0.0023
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 11, 2026
- Weakness: CWE-416: Use after free
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-12023

## Description

Use after free in GPU in Google Chrome on Mac prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| macOS | Google Chrome | 149.0.7827.156 | [Google Chrome 149.0.7827.156](https://patchblox.com/security/data/fix/macos/com.google.chrome-149.0.7827.156.md) | Jun 16, 2026 |
| Linux | chromium Debian 12.15 (bookworm) | 149.0.7827.114-1~deb12u1 | [DEBIAN-CVE-2026-12023](https://patchblox.com/security/data/fix/linux/debian-cve-2026-12023.md) | Jun 24, 2026 |
| Linux | chromium Debian 13.5 (trixie) | 149.0.7827.114-1~deb13u1 | [DEBIAN-CVE-2026-12023](https://patchblox.com/security/data/fix/linux/debian-cve-2026-12023.md) | Jun 24, 2026 |
| Linux | chromium Debian 14 | 149.0.7827.114-1 | [DEBIAN-CVE-2026-12023](https://patchblox.com/security/data/fix/linux/debian-cve-2026-12023.md) | Jun 24, 2026 |
| Linux | chromium opensuse-leap 16.0 | 149.0.7827.155-bp160.1.1 | [OPENSUSE-SU-2026:21135-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21135-1.md) | Aug 31, 2026 |

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Data as of 2026-11-09T19:38:12Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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