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TI-2021-18175 Aliases CVE-2021-41351GHSA-4q46-hmgh-8fr2

Microsoft Edge (Chrome based) Spoofing on IE Mode

Priority LOW 27Published · Updated

Key facts

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

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

Summary

Microsoft Edge (Chrome based) Spoofing on IE Mode

Why it matters now

EPSS 0.03911 90th percentileScored 2026-11-08
Fix Fixed Microsoft: 4 updates

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Edge (Chromium-based) in IE Mode10.0.0.0 to before 10.0.17763.230010.0.17763.2300Patch availableCNA
  • Microsoft Edge (Chromium-based) in IE Mode VendorMicrosoft Affected 10.0.0.0 to before 10.0.17763.2300 Fixed in 10.0.17763.2300 Patch available CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*20h2Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:*21h1Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*1809Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*1909Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*2004Running onMicrosoft
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:* Versions 20h2 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:* Versions 21h1 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* Versions 1809 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* Versions 1909 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* Versions 2004 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Microsoft 4 updates

  • KB5007215
    Security Update
    • Microsoft Edge (Chromium-based) in IE Mode 10.0.22000.318
    • Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.318
    • Windows 11 version 21H2 for x64-based Systems 10.0.22000.318
  • KB5007206
    Security Update
    • Microsoft Edge (Chromium-based) in IE Mode 10.0.17763.2300
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.2300
    • Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.2300
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.2300
    • Windows Server 2019 10.0.17763.2300
    • Windows Server 2019 (Server Core installation) 10.0.17763.2300
  • KB5007189
    Security Update
    • Microsoft Edge (Chromium-based) in IE Mode 10.0.18363.1916
    • Windows 10 Version 1909 for 32-bit Systems 10.0.18363.1916
    • Windows 10 Version 1909 for ARM64-based Systems 10.0.18363.1916
    • Windows 10 Version 1909 for x64-based Systems 10.0.18363.1916
Show 1 more Microsoft updates
  • KB5007186
    Security Update
    • Microsoft Edge (Chromium-based) in IE Mode 10.0.19041.1348, 10.0.19043.1348, 10.0.19042.1348
    • Windows 10 Version 2004 for 32-bit Systems 10.0.19041.1348
    • Windows 10 Version 2004 for ARM64-based Systems 10.0.19041.1348
    • Windows 10 Version 2004 for x64-based Systems 10.0.19041.1348
    • Windows 10 Version 20H2 for 32-bit Systems 10.0.19042.1348
    • Windows 10 Version 20H2 for ARM64-based Systems 10.0.19042.1348
    • Windows 10 Version 21H1 for 32-bit Systems 10.0.19043.1348
    • Windows 10 Version 21H1 for ARM64-based Systems 10.0.19043.1348
    • Windows 10 Version 21H1 for x64-based Systems 10.0.19043.1348
    • Windows Server, version 2004 (Server Core installation) 10.0.19041.1348
    • Windows Server, version 20H2 (Server Core Installation) 10.0.19041.1348, 10.0.19042.1348

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Spoofing
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-41351
  2. 2026-10-03 Alias added: GHSA-4q46-hmgh-8fr2
  3. 2026-10-14 EPSS moved to the 90th–95th percentile

References

Patch 2

  • 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