# CVE-2026-3910: Chromium: CVE-2026-3910 Inappropriate implementation in V8

CVE-2026-3910 is fixed in 11 products on 2 platforms, first by Google Chrome Dev (EXE) 147.0.7695.0, released February 19, 2026. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on March 13, 2026. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2026-3910
- Priority: Patch now
- CVSS: 8.8 (high)
- EPSS: 0.0268
- CISA KEV: listed Mar 13, 2026, federal due date Mar 27, 2026
- Exploited (vendor report): yes
- Publicly disclosed: no
- Published: Mar 13, 2026
- Weakness: CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-3910

## 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/2021">Google Chrome Releases</a> for more information.</p> <p>Google is aware that an exploit for CVE-2026-3910 exists in the wild.</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) | 146.0.7680.76 | [Google Chrome (EXE) 146.0.7680.76](https://patchblox.com/security/data/fix/windows-app/google.chrome.exe-146.0.7680.76.md) | Mar 12, 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 |
| Windows apps | Microsoft Edge | 146.0.3856.59 | [Microsoft Edge 146.0.3856.59](https://patchblox.com/security/data/fix/windows-app/microsoft.edge-146.0.3856.59.md) | Mar 6, 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 | 146.0.3856.59 | [Microsoft Edge WebView2 Runtime 146.0.3856.59](https://patchblox.com/security/data/fix/windows-app/microsoft.edgewebview2runtime-146.0.3856.59.md) | Mar 13, 2026 |
| Linux | chromium Debian 12.15 (bookworm) | 146.0.7680.80-1~deb12u1 | [DEBIAN-CVE-2026-3910](https://patchblox.com/security/data/fix/linux/debian-cve-2026-3910.md) | Mar 13, 2026 |
| Linux | chromium Debian 13.5 (trixie) | 146.0.7680.80-1~deb13u1 | [DEBIAN-CVE-2026-3910](https://patchblox.com/security/data/fix/linux/debian-cve-2026-3910.md) | Mar 13, 2026 |
| Linux | chromium Debian 14 | 146.0.7680.80-1 | [DEBIAN-CVE-2026-3910](https://patchblox.com/security/data/fix/linux/debian-cve-2026-3910.md) | Mar 13, 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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