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TI-2020-00638 Aliases CVE-2020-0663GHSA-r6w6-2q7f-ww58

An elevation of privilege vulnerability exists when Microsoft Edge does not properly…

Priority LOW 23Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain.In a web-based attack scenario, an attacker could host a website that is used to attempt to exploit the vulnerability, aka 'Microsoft Edge Elevation of Privilege Vulnerability'.

Why it matters now

EPSS 0.01573 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows Server 2019all versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for 32-bit Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for x64-based Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for ARM64-based Systemsall versions—No fix listedCNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows Server 2019 VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for ARM64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*1803Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*1809Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*1903Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*1909Running 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_10:1803:*:*:*:*:*:*:* Versions 1803 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* Versions 1809 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* Versions 1903 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* Versions 1909 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-0663
  2. 2026-10-03 Alias added: GHSA-r6w6-2q7f-ww58

References

  • 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