{ "document": { "acknowledgments": [ { "names": [ "Kugelblitz with Microsoft" ] }, { "names": [ "Kugelblitz with Microsoft" ] } ], "aggregate_severity": { "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system", "text": "Important" }, "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-2026-57974 Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57974" }, { "category": "self", "summary": "CVE-2026-57974 Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability - CSAF", "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-57974.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) Remote Code Execution Vulnerability", "tracking": { "current_release_date": "2026-07-03T07:00:00.000Z", "generator": { "date": "2026-07-03T21:25:59.329Z", "engine": { "name": "MSRC Generator", "version": "1.0" } }, "id": "msrc_CVE-2026-57974", "initial_release_date": "2026-07-02T07:00:00.000Z", "revision_history": [ { "date": "2026-07-03T07:00:00.000Z", "legacy_version": "1", "number": "1", "summary": "Information published." } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_version_range", "name": "<150.0.4078.48", "product": { "name": "Microsoft Edge (Chromium-based) <150.0.4078.48", "product_id": "1" } }, { "category": "product_version", "name": "150.0.4078.48", "product": { "name": "Microsoft Edge (Chromium-based) 150.0.4078.48", "product_id": "11655" } } ], "category": "product_name", "name": "Microsoft Edge (Chromium-based)" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-57974", "cwe": { "id": "CWE-190", "name": "Integer Overflow or Wraparound" }, "notes": [ { "category": "general", "text": "Microsoft", "title": "Assigning CNA" }, { "category": "faq", "text": "The user must visit the attacker‑controlled webpage, and perform the two tap gestures that cause autofill to activate.", "title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?" }, { "category": "faq", "text": "This attack requires a user to open a specially crafted file from the attacker to initiate remote code execution.", "title": "According to the CVSS metric, the attack vector is network (AV:N) and user interaction is required (UI:R). What is the target context of the remote code execution?" }, { "category": "faq", "text": "An attacker could attempt to trick a user into interacting with a malicious request that appears legitimate. When the user approves the request, the attacker could cause the app to obtain an access token on the user’s behalf and send it to a location controlled by the attacker, without the user being clearly informed about what access is being granted.", "title": "How could an attacker exploit this vulnerability?" }, { "category": "faq", "text": "150.0.4078.48: 150.0.4078.48, 07/03/2026: 07/03/2026, 150.0.7871.47: 150.0.7871.47", "title": "What is the version information for this release?" } ], "product_status": { "fixed": [ "11655" ], "known_affected": [ "1" ] }, "references": [ { "category": "self", "summary": "CVE-2026-57974 Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57974" }, { "category": "self", "summary": "CVE-2026-57974 Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability - CSAF", "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-57974.json" } ], "remediations": [ { "category": "vendor_fix", "date": "2026-07-03T07:00:00.000Z", "details": "150.0.4078.48: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": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "environmentalsScore": 0.0, "exploitCodeMaturity": "UNPROVEN", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "remediationLevel": "OFFICIAL_FIX", "reportConfidence": "CONFIRMED", "scope": "UNCHANGED", "temporalScore": 7.7, "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C", "version": "3.1" }, "products": [ "1" ] } ], "threats": [ { "category": "impact", "details": "Remote Code Execution" }, { "category": "exploit_status", "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely" } ], "title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability" } ] }