{
"document": {
"acknowledgments": [
{
"names": [
"Alfaz Hossain with POTDF"
]
},
{
"names": [
"Jody Ritonga with test"
]
},
{
"names": [
"Rifat Abdul Manaf"
]
}
],
"aggregate_severity": {
"namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
"text": "Moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Public",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en-US",
"notes": [
{
"category": "general",
"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
},
{
"category": "general",
"text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
"title": "Customer Action"
}
],
"publisher": {
"category": "vendor",
"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
},
"references": [
{
"category": "self",
"summary": "CVE-2026-35429 Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35429"
},
{
"category": "self",
"summary": "CVE-2026-35429 Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-35429.json"
},
{
"category": "external",
"summary": "Microsoft Exploitability Index",
"url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
},
{
"category": "external",
"summary": "Microsoft Support Lifecycle",
"url": "https://support.microsoft.com/lifecycle"
},
{
"category": "external",
"summary": "Common Vulnerability Scoring System",
"url": "https://www.first.org/cvss"
}
],
"title": "Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability",
"tracking": {
"current_release_date": "2026-05-11T07:00:00.000Z",
"generator": {
"date": "2026-05-13T17:58:07.424Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2026-35429",
"initial_release_date": "2026-05-12T07:00:00.000Z",
"revision_history": [
{
"date": "2026-05-11T07:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "<148.0.3967.55",
"product": {
"name": "Microsoft Edge for Android <148.0.3967.55",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "148.0.3967.55",
"product": {
"name": "Microsoft Edge for Android 148.0.3967.55",
"product_id": "11815"
}
}
],
"category": "product_name",
"name": "Microsoft Edge for Android"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-35429",
"cwe": {
"id": "CWE-451",
"name": "User Interface (UI) Misrepresentation of Critical Information"
},
"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "An attacker could host a specially crafted website designed to exploit the vulnerability through Microsoft Edge and then convince a user to view the website. However, in all cases an attacker would have no way to force a user to view the attacker-controlled content. Instead, an attacker would have to convince a user to take action, typically by an enticement in an email or instant message, or by getting the user to open an attachment sent through email.",
"title": "How could an attacker exploit this vulnerability via the Network?"
},
{
"category": "faq",
"text": "An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality) but not all resources within the impacted component may be divulged to the attacker. The attacker cannot make changes to disclosed information (Integrity) or limit access to the resource (Availability).",
"title": "According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L),but lead to no loss of availability (A:N) and integrity (I:N)? What does that mean for this vulnerability?"
},
{
"category": "faq",
"text": "In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) that contains a specially crafted file that is designed to exploit the vulnerability. However, an attacker would have no way to force the user to visit the website. Instead, an attacker would have to convince the user to click a link, typically by way of an enticement in an email or Instant Messenger message, and then convince the user to open the specially crafted file.",
"title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?"
},
{
"category": "faq",
"text": "148.0.3967.55: 148.0.3967.55, 05/11/2026: 05/11/2026, 148.0.7778.97: 148.0.7778.97",
"title": "What is the version information for this release?"
}
],
"product_status": {
"fixed": [
"11815"
],
"known_affected": [
"1"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2026-35429 Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35429"
},
{
"category": "self",
"summary": "CVE-2026-35429 Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-35429.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2026-05-11T07:00:00.000Z",
"details": "148.0.3967.55:Security Update:https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security",
"product_ids": [
"1"
],
"url": "https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "PROOF_OF_CONCEPT",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 3.9,
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C",
"version": "3.1"
},
"products": [
"1"
]
}
],
"threats": [
{
"category": "impact",
"details": "Spoofing"
},
{
"category": "exploit_status",
"details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely"
}
],
"title": "Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability"
}
]
}