Type Confusion Vulnerability in Microsoft Edge by Microsoft
CVE-2026-85898

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Edge (chromium-based)
Vendor
CVE Published:
27 October 2026

What is CVE-2026-85898?

A type confusion vulnerability in Microsoft Edge (Chromium-based) could permit an attacker to execute arbitrary code through improper access to resources. This flaw allows attackers to exploit a weakness in the type management system. An exploited vulnerability could enable unauthorized remote code execution, potentially compromising the user's system and data. Users are strongly advised to apply the necessary patches and updates provided by Microsoft to mitigate the risks associated with this vulnerability.

Affected Version(s)

Microsoft Edge (Chromium-based) 1.0.0.0 < 154.0.4258.48

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.