CVE-2026-70309
Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
- State
- Published
- Severity
- 5.4 Medium
- Published
- Aug 28, 2026
- Updated
- Oct 30, 2026
- Reserved
- Aug 4, 2026
Description
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C | microsoft |
Weaknesses
- CWE-346 Origin Validation Error
Affected Products
| Product | Versions |
|---|---|
Microsoft Edge (Chromium-based)Microsoft |
|
References
- Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerabilityvendor-advisorypatch
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