Spoofing Vulnerability in Microsoft Edge for iOS
CVE-2026-70331

5.4MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Edge (chromium-based)
Microsoft Edge For iOS
Vendor
CVE Published:
28 August 2026

What is CVE-2026-70331?

A spoofing vulnerability exists in Microsoft Edge for iOS due to improper neutralization of input used for language model prompting. This flaw could enable an unauthorized attacker to exploit the application over a network, potentially leading to deceptive interactions with users or systems.

Affected Version(s)

Microsoft Edge (Chromium-based) 1.0.0.0 < 150.0.4078.50

Microsoft Edge for iOS 1.0.0.0 < 150.0.4078.50

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.