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NVD Vulnerability Details :
CVE-2026-42838
Analyzed
More InfoOfficial Page
Source-secure@microsoft.com
View Known Exploited Vulnerability (KEV) details
Published At-12 May, 2026 | 18:17
Updated At-14 May, 2026 | 14:26

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 5.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CPE Matches
Microsoft Corporation
microsoft
>>edge_chromium>>Versions before 148.0.3967.55(exclusive)
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:*
Weaknesses
CWE IDTypeSource
CWE-74Primarysecure@microsoft.com
CWE ID: CWE-74
Type: Primary
Source: secure@microsoft.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42838secure@microsoft.com
Vendor Advisory
Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42838
Source: secure@microsoft.com
Resource:
Vendor Advisory
Change History
0Changes found
Details not found