# CVE-2026-13018: Google Chrome: Insufficient validation of untrusted input

CVE-2026-13018 is fixed in 4 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: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-13018
- Priority: Routine
- CVSS: 4.3 (medium)
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 28, 2026
- Weakness: CWE-20: Insufficient validation of untrusted input
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-13018

## Description

Insufficient validation of untrusted input in Codecs in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to potentially perform out of bounds memory access via a crafted video file. (Chromium security severity: Low)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| 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 (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 (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 |
| Linux | chromium Debian 12.15 (bookworm) | 147.0.7727.55-1~deb12u1 | [DEBIAN-CVE-2026-13018](https://patchblox.com/security/data/fix/linux/debian-cve-2026-13018.md) | Sep 29, 2026 |
| Linux | chromium Debian 13.5 (trixie) | 147.0.7727.55-1~deb13u1 | [DEBIAN-CVE-2026-13018](https://patchblox.com/security/data/fix/linux/debian-cve-2026-13018.md) | Sep 29, 2026 |
| Linux | chromium Debian 14 | 147.0.7727.55-1 | [DEBIAN-CVE-2026-13018](https://patchblox.com/security/data/fix/linux/debian-cve-2026-13018.md) | Sep 29, 2026 |

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Data as of 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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