Relative Path Traversal in Microsoft Edge (Chromium-based) - Microsoft
CVE-2026-57988

7.1HIGH

Key Information:

Vendor

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

What is CVE-2026-57988?

A relative path traversal vulnerability in Microsoft Edge (Chromium-based) allows unauthorized attackers to execute arbitrary code over a network. If exploited, this vulnerability could compromise the confidentiality and integrity of user data and system resources. Users are advised to update their browsers promptly to mitigate potential risks associated with this security flaw.

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:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.