# CVE-2026-70341: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

CVE-2026-70341 is fixed in Microsoft Edge on 1 platform by Microsoft Edge 152.0.4191.53 (version 152.0.4191.53), released August 27, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-70341
- Priority: High
- CVSS: 8.8 (Important)
- EPSS: 0.0064
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Unlikely
- Published: Aug 28, 2026
- Weakness: Use After Free
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70341

## Description

<p>Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| macOS | Microsoft Edge | 152.0.4191.53 | [Microsoft Edge 152.0.4191.53](https://patchblox.com/security/data/fix/macos/com.microsoft.edgemac-152.0.4191.53.md) | Aug 27, 2026 |

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Data as of 2026-11-08T06:59:42Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo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

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