CVE-2026-45489

Microsoft Edge (Chromium-based) Spoofing Vulnerability

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45489	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*

History

07 Jul 2026, 13:38

Type	Values Removed	Values Added
CPE		cpe:2.3:a:microsoft:edge_chromium::::::::
CWE		CWE-290
First Time		Microsoft Microsoft edge Chromium
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45489 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45489 - Vendor Advisory

03 Jul 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-03 21:17

Updated : 2026-07-07 18:16

NVD link : CVE-2026-45489

Mitre link : CVE-2026-45489

CVE.ORG link : CVE-2026-45489

JSON object : View

Products Affected

microsoft

edge_chromium

CWE

CWE-290

Authentication Bypass by Spoofing

{"id": "CVE-2026-45489", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45489", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-06T16:47:20.441855Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "secure@microsoft.com", "affectedData": [{"vendor": "Microsoft", "product": "Microsoft Edge (Chromium-based)", "versions": [{"status": "affected", "version": "1.0.0.0", "lessThan": "150.0.4078.48", "versionType": "custom"}]}]}], "published": "2026-07-03T21:17:00.307", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45489", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-290"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-290"}]}], "descriptions": [{"lang": "en", "value": "Microsoft Edge (Chromium-based) Spoofing Vulnerability"}], "lastModified": "2026-07-07T18:16:38.677", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0C006CA1-F693-4B52-BC1A-A7B44979EAB8", "versionEndExcluding": "150.0.4078.48"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}