Remote Code Execution Vulnerability in Microsoft Edge by Microsoft
CVE-2026-57974

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-57974?

A vulnerability in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute arbitrary code over a network, stemming from an integer overflow issue. This flaw potentially enables attackers to manipulate and exploit applications running on affected devices, leading to unauthorized access and control. It's essential for users to apply the provided patches to mitigate 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:
8.8
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

.