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CVE-2026-66322 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-66322

CVE-2026-66322

HIGH7.1

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Published Aug 3, 2026

Modified 3 days ago

Details

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66322

https://www.cve.org/CVERecord?id=CVE-2026-66322

CVSS Analysis

CVSS v3.1

7.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

LowI:L

Availability

NoneA:N

7.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedAug 3, 2026

ModifiedAug 20, 2026