Remote Code Execution Vulnerability in Microsoft Edge by Microsoft
CVE-2026-57981

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-57981?

A use after free vulnerability in Microsoft Edge, built on the Chromium framework, could allow an unauthorized attacker to execute arbitrary code via a crafted network request. This flaw emphasizes the importance of applying patches promptly as it can lead to significant security risks for users of the affected browser.

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:
8.8
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

.