# CVE-2026-87587: Use after free in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVE-2026-87587 is fixed in 8 products on 3 platforms, first by Microsoft Edge 117.0.2045.43, released September 25, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-87587
- Priority: High
- CVSS: 8.8 (Important)
- EPSS: 0.0041
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 9, 2026
- Weakness: Use After Free
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87587

## Description

Use after free in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Google Chrome (EXE) | 153.0.8010.37 | [Google Chrome (EXE) 153.0.8010.37](https://patchblox.com/security/data/fix/windows-app/google.chrome.exe-153.0.8010.37.md) | Sep 7, 2026 |
| Windows apps | Google Chrome Beta (EXE) | 154.0.8037.0 | [Google Chrome Beta (EXE) 154.0.8037.0](https://patchblox.com/security/data/fix/windows-app/google.chrome.beta.exe-154.0.8037.0.md) | Sep 1, 2026 |
| Windows apps | Google Chrome Dev (EXE) | 154.0.8013.2 | [Google Chrome Dev (EXE) 154.0.8013.2](https://patchblox.com/security/data/fix/windows-app/google.chrome.dev.exe-154.0.8013.2.md) | Aug 21, 2026 |
| Windows apps | Microsoft Edge | 117.0.2045.43 | [Microsoft Edge 117.0.2045.43](https://patchblox.com/security/data/fix/windows-app/microsoft.edge-117.0.2045.43.md) | Sep 25, 2023 |
| Windows apps | Microsoft Edge Beta | 127.0.2651.8 | [Microsoft Edge Beta 127.0.2651.8](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.beta-127.0.2651.8.md) | Jun 21, 2024 |
| Windows apps | Microsoft Edge Dev | 139.0.3405.13 | [Microsoft Edge Dev 139.0.3405.13](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.dev-139.0.3405.13.md) | Jul 3, 2025 |
| macOS | Google Chrome | 153.0.8010.37 | [Google Chrome 153.0.8010.37](https://patchblox.com/security/data/fix/macos/com.google.chrome-153.0.8010.37.md) | Sep 7, 2026 |
| Linux | chromium Debian 12.15 (bookworm) | 153.0.8010.52-1~deb12u1 | [DEBIAN-CVE-2026-87587](https://patchblox.com/security/data/fix/linux/debian-cve-2026-87587.md) | Sep 18, 2026 |
| Linux | chromium Debian 13.5 (trixie) | 153.0.8010.47-2~deb13u1 | [DEBIAN-CVE-2026-87587](https://patchblox.com/security/data/fix/linux/debian-cve-2026-87587.md) | Sep 18, 2026 |
| Linux | chromium Debian 14 | 153.0.8010.47-1 | [DEBIAN-CVE-2026-87587](https://patchblox.com/security/data/fix/linux/debian-cve-2026-87587.md) | Sep 18, 2026 |
| Linux | chromium opensuse-leap 16.0 | 153.0.8010.52-bp160.1.1 | [OPENSUSE-SU-2026:21921-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21921-1.md) | Nov 7, 2026 |

---

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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.