Elevation of Privilege Vulnerability in Microsoft Edge Browser
CVE-2026-96203

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-96203?

A vulnerability in Microsoft Edge (Chromium-based) can be exploited to allow unauthorized attackers to elevate their privileges over a network. This flaw can lead to potential unauthorized access and manipulation of sensitive data, emphasizing the need for prompt updates and vigilant security practices. Users are advised to apply patches and stay informed about the latest security advisories to mitigate risks associated with this vulnerability.

Affected Version(s)

Microsoft Edge (Chromium-based) 1.0.0.0 < 155.0.4283.45

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

.