# CVE-2026-8564: Chromium: CVE-2026-8564 Incorrect security UI in Downloads

CVE-2026-8564 is fixed in 3 products on 2 platforms, first by Microsoft Edge 148.0.3967.83, released May 21, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-8564
- Priority: Routine
- CVSS: 4.2 (medium)
- EPSS: 0.0016
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 14, 2026
- Weakness: CWE-451: User Interface (UI) Misrepresentation of Critical Information
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-8564

## 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/2025">Google Chrome Releases</a> for more information</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| macOS | Google Chrome | 148.0.7778.216 | [Google Chrome 148.0.7778.216](https://patchblox.com/security/data/fix/macos/com.google.chrome-148.0.7778.216.md) | May 26, 2026 |
| macOS | Microsoft Edge | 148.0.3967.83 | [Microsoft Edge 148.0.3967.83](https://patchblox.com/security/data/fix/macos/com.microsoft.edgemac-148.0.3967.83.md) | May 21, 2026 |
| Linux | chromium Debian 12.15 (bookworm) | 148.0.7778.167-1~deb12u1 | [DEBIAN-CVE-2026-8564](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8564.md) | May 27, 2026 |
| Linux | chromium Debian 13.5 (trixie) | 148.0.7778.167-1~deb13u1 | [DEBIAN-CVE-2026-8564](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8564.md) | May 27, 2026 |
| Linux | chromium Debian 14 | 148.0.7778.167-1 | [DEBIAN-CVE-2026-8564](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8564.md) | May 27, 2026 |
| Linux | chromium opensuse-leap 16.0 | 148.0.7778.215-bp160.1.1 | [OPENSUSE-SU-2026:20849-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20849-1.md) | Aug 31, 2026 |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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