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TI-2021-18741 Aliases CVE-2021-42308GHSA-8xpv-h7vw-hc6h

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Priority LOW 36CWE-290Published · Updated

Key facts

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

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

Summary

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Why it matters now

EPSS 0.01338 71st percentileScored 2026-11-07
Fix Fixed Microsoft Edge (Chromium-based) (Microsoft): 96.0 1954.29

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Edge (Chromium-based)1.0.0.0 to before 96.0 1954.2996.0 1954.29Patch availableCNA
  • Microsoft Edge (Chromium-based) VendorMicrosoft Affected 1.0.0.0 to before 96.0 1954.29 Fixed in 96.0 1954.29 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*before 96.0.1054.29VulnerableMicrosoft
  • cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:* Versions before 96.0.1054.29 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Microsoft Edge (Chromium-based) (Microsoft) Fixed in 96.0 1954.29

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Spoofing
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft Edge (Chromium-based)Fixed 96.0 1954.29 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42308
  2. 2026-10-03 Alias added: GHSA-8xpv-h7vw-hc6h

References

Patch 2

  • TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2022-03781 Out-of-bounds write in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2025-12953 Memory corruption in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2025-04867 Out-of-bounds read in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2024-07384 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 325 →

Sources

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