8.1
High
CVE-2026-66318 Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information…
Description
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Edge (Chromium-based) 1.0 | 1.0.0.0 → < 151.0.4129.59 | 151.0.4129.59 |
Other CVEs of Microsoft Edge (Chromium-based)
The 301 CVEs of Microsoft Edge (Chromium-based) →
CVE-2026-69446
Incorrect authorization in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally
4.4
Medium
CVE-2026-88078
Improper verification of cryptographic signature in Microsoft Edge (Chromium-based) allows an unauthorized attacker to…
4.3
Medium
CVE-2026-88077
Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate…
8.8
High
CVE-2026-96196
Incomplete list of disallowed inputs in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a…
8.8
High