CVE-2026-45489: CWE-749: Exposed Dangerous Method or Function in Microsoft Microsoft Edge (Chromium-based)
Microsoft Edge (Chromium-based) Spoofing Vulnerability
AI Analysis
Technical Summary
This vulnerability, tracked as CVE-2026-45489, affects Microsoft Edge (Chromium-based) and is categorized under CWE-749 (Exposed Dangerous Method or Function) and CWE-290. It enables spoofing attacks that can compromise confidentiality without requiring privileges and with low attack complexity. The vulnerability has a CVSS 3.1 base score of 6.5, indicating medium severity. Microsoft has issued an official fix for this issue.
Potential Impact
The vulnerability allows an attacker to spoof content in Microsoft Edge, potentially leading to disclosure of confidential information. It does not impact integrity or availability. The attack requires no privileges but does require user interaction. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the provided patch to remediate the issue. Since the remediation level is 'official-fix', no additional mitigations are required beyond applying the update.
CVE-2026-45489: CWE-749: Exposed Dangerous Method or Function in Microsoft Microsoft Edge (Chromium-based)
Description
Microsoft Edge (Chromium-based) Spoofing Vulnerability
CVSS v3.1
Score 6.5medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, tracked as CVE-2026-45489, affects Microsoft Edge (Chromium-based) and is categorized under CWE-749 (Exposed Dangerous Method or Function) and CWE-290. It enables spoofing attacks that can compromise confidentiality without requiring privileges and with low attack complexity. The vulnerability has a CVSS 3.1 base score of 6.5, indicating medium severity. Microsoft has issued an official fix for this issue.
Potential Impact
The vulnerability allows an attacker to spoof content in Microsoft Edge, potentially leading to disclosure of confidential information. It does not impact integrity or availability. The attack requires no privileges but does require user interaction. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the provided patch to remediate the issue. Since the remediation level is 'official-fix', no additional mitigations are required beyond applying the update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-45489
- Cve Count
- 1
- Remediation Level
- official-fix
- State
- PUBLISHED
Threat ID: 6a54ae1c68715ace438fa269
Added to database: 07/13/2026, 09:21:32 UTC
Last enriched: 08/08/2026, 16:50:32 UTC
Last updated: 09/15/2026, 05:21:09 UTC
Views: 588
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