Elevation of Privilege Vulnerability in Microsoft Edge by Microsoft
CVE-2026-85893

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Edge (chromium-based)
Vendor
CVE Published:
15 September 2026

What is CVE-2026-85893?

A use-after-free vulnerability exists in Microsoft Edge (Chromium-based) that could allow an attacker to elevate their privileges over a network. This flaw can be exploited to gain unauthorized access and control over the affected system, compromising user data and network integrity. It is crucial for users to update their Edge browser to the latest version to mitigate the risks associated with this vulnerability.

Affected Version(s)

Microsoft Edge (Chromium-based) 1.0.0.0 < 153.0.4234.32

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

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