Risk Scores
CVSS v3.1
7.099999904632568
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
EPSS Score
0.03%
7.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Edge (Chromium-based) | 1.0.0.0 |
| microsoft | edge_chromium | 1.0.0.0, 0 |
Timeline
- Jan 13, 2026 CVE Published
- Jan 16, 2026 PoC Published
- Jan 17, 2026 EPSS Score
- Jan 17, 2026 PoC Published
- Jan 19, 2026 EPSS Score
- Jan 19, 2026 PoC Published
- Jan 22, 2026 EPSS Score
- Jan 24, 2026 EPSS Score
- Jan 26, 2026 EPSS Score
- Jan 29, 2026 EPSS Score
- Jan 31, 2026 EPSS Score
- Feb 2, 2026 EPSS Score
References
- Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-21223 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0899 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0900 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0903 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0906 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0907 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0908 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0905 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0901 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0904 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0902 advisory