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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.

PUBLISHED Reserved 2026-04-30 | Published 2026-05-12 | Updated 2026-05-20 | Assigner microsoft




MEDIUM: 5.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C

Problem types

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Product status

1.0.0.0 (custom) before 148.0.3967.55
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42838 (Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2026-42838)

nvd.nist.gov (CVE-2026-42838)

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