1. Home
  2. CVE Database
  3. CVE-2026-42838
MEDIUM · 5.4

CVE-2026-42838

Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a netwo...

Vulnerability Description

Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
MicrosoftEdge Chromium< 148.0.3967.55

Related Weaknesses (CWE)

CWE-74

References

FAQ

What is CVE-2026-42838?

CVE-2026-42838 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a netwo...

How severe is CVE-2026-42838?

CVE-2026-42838 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-42838?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Edge Chromium.