Privilege Escalation Vulnerability in Microsoft Edge by Microsoft
CVE-2026-58596

8.3HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Edge (chromium-based)
Vendor
CVE Published:
12 July 2026

What is CVE-2026-58596?

A vulnerability in Microsoft Edge (Chromium-based) allows an unauthorized attacker to exploit untrusted pointer dereferencing, potentially enabling privilege escalation over a network. This could lead to unauthorized actions being performed on the affected system. Immediate attention and patching are recommended to safeguard against this security risk.

Affected Version(s)

Microsoft Edge (Chromium-based) 1.0.0.0 < 150.0.4078.48

References

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

CVSS V3.1

Score:
8.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.