MicrosoftCVE-2026-66318
Microsoft Edge (Chromium-based): origin validation error
Fix: upgrade to 151.0.4129.59 or later
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Microsoft Edge (Chromium-based) Product | >= 1.0.0.0, < 151.0.4129.59 | 151.0.4129.59 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-346