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TI-2026-49149 Aliases CVE-2026-70331GHSA-wjm5-2899-cw52

Microsoft Edge for iOS Spoofing Vulnerability

Priority LOW 25CWE-1427Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Tampering
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Improper neutralization of input used for llm prompting in Microsoft Edge for iOS allows an unauthorized attacker to perform spoofing over a network.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00413 35th percentileScored 2026-11-07
Fix Fixed Microsoft Edge (Chromium-based) (Microsoft): 150.0.4078.50Microsoft Edge for iOS (Microsoft): 150.0.4078.50

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Edge (Chromium-based)1.0.0.0 to before 150.0.4078.50150.0.4078.50Patch availableCNA
MicrosoftMicrosoft Edge for iOS1.0.0.0 to before 150.0.4078.50150.0.4078.50Patch availableCNA
  • Microsoft Edge (Chromium-based) VendorMicrosoft Affected 1.0.0.0 to before 150.0.4078.50 Fixed in 150.0.4078.50 Patch available CNA
  • Microsoft Edge for iOS VendorMicrosoft Affected 1.0.0.0 to before 150.0.4078.50 Fixed in 150.0.4078.50 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:edge:*:*:*:*:*:iphone_os:*:*before 150.0.4078.50VulnerableMicrosoft
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:*before 150.0.4078.50VulnerableMicrosoft
  • cpe:2.3:a:microsoft:edge:*:*:*:*:*:iphone_os:*:* Versions before 150.0.4078.50 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:* Versions before 150.0.4078.50 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Microsoft Edge (Chromium-based) (Microsoft) Fixed in 150.0.4078.50
  • Fix · CNA Microsoft Edge for iOS (Microsoft) Fixed in 150.0.4078.50

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Tampering
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft Edge (Chromium-based)Fixed 150.0.4078.50 · Security Update
Microsoft Edge for iOSFixed 150.0.4078.50 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-70331
  2. 2026-10-03 Alias added: GHSA-wjm5-2899-cw52

References

Patch 1

  • TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2022-03781 Out-of-bounds write in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2015-00277 Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-00275 Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2020-12621 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 761 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences