# Microsoft Edge 152.0.4191.66

Microsoft Edge 152.0.4191.66, released September 4, 2026, fixes 9 CVEs in Microsoft Edge. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Microsoft Edge is 157.0.4341.42, which also fixes every one of these CVEs.

- Web page: https://patchblox.com/security/fix/macos/com.microsoft.edgemac-152.0.4191.66
- Platform: macOS
- Released: Sep 4, 2026
- Priority: Urgent (Closes CVE-2026-85042, rated Critical)
- CVEs: 9, exploited: 0, on CISA KEV: 0
- Superseded by: [Microsoft Edge 157.0.4341.42](https://patchblox.com/security/data/product/macos/microsoft-edge.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Edge](https://patchblox.com/security/data/product/macos/microsoft-edge.md) |  | 152.0.4191.66 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-85042](https://patchblox.com/security/data/cve/CVE-2026-85042.md) | Urgent | Chromium CVE-2026-85042:  Use after free in DevTools | 9.6 | 0.0046 |  |
| [CVE-2026-85043](https://patchblox.com/security/data/cve/CVE-2026-85043.md) | Urgent | Chromium CVE-2026-85043:  Incomplete cleanup in Network | 9.1 | 0.0044 |  |
| [CVE-2026-85051](https://patchblox.com/security/data/cve/CVE-2026-85051.md) | High | Chromium CVE-2026-85051:  Type confusion in Compositing | 8.8 | 0.0045 |  |
| [CVE-2026-85053](https://patchblox.com/security/data/cve/CVE-2026-85053.md) | High | Chromium CVE-2026-85053:  Improper resource exposure in CacheStorage | 8.8 | 0.0041 |  |
| [CVE-2026-85048](https://patchblox.com/security/data/cve/CVE-2026-85048.md) | High | Chromium CVE-2026-85048:  Use after free in Compositing | 8.3 | 0.0040 |  |
| [CVE-2026-85049](https://patchblox.com/security/data/cve/CVE-2026-85049.md) | High | Chromium CVE-2026-85049:  Use after free in Skia | 9.6 | 0.0028 |  |
| [CVE-2026-85045](https://patchblox.com/security/data/cve/CVE-2026-85045.md) | High | Chromium CVE-2026-85045:  Race condition in V8 | 7.5 | 0.0022 |  |
| [CVE-2026-85892](https://patchblox.com/security/data/cve/CVE-2026-85892.md) | High | Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability | 7.8 | 0.0020 |  |
| [CVE-2026-85052](https://patchblox.com/security/data/cve/CVE-2026-85052.md) | Routine | Chromium CVE-2026-85052:  Out of bounds read in CrashReporting | 3.1 | 0.0023 |  |

---

Data as of 2026-11-11T01:43:54Z 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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