CVE-2026-66322
published 2026-08-04CVE-2026-66322: Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
PriorityP428medium5.4CVSS 3.1
AVNACLPRNUIRSUCLILAN
EPSS
0.23%
12.6th percentile
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | edge_chromium | < 151.0.4129.59 | 151.0.4129.59 |
| microsoft | microsoft_edge | >= 1.0.0.0 < 151.0.4129.59 | 151.0.4129.59 |
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GHSA
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
ghsa_unreviewed·2026-08-04
CVE-2026-66322 [HIGH] CWE-346 Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
VulDB
Microsoft Edge up to 150.0.4078.99 improper authorization
vuldb·2026-08-04·CVSS 7.1
CVE-2026-66322 [HIGH] Microsoft Edge up to 150.0.4078.99 improper authorization
A vulnerability labeled as critical has been found in Microsoft Edge. This impacts an unknown function. Such manipulation leads to improper authorization.
This vulnerability is traded as CVE-2026-66322. The attack may be launched remotely. There is no exploit available.
The affected component should be upgraded.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-04
Published