CVE-2026-45489: Spoofing in Microsoft Microsoft Edge (Chromium-based)
Microsoft Edge (Chromium-based) Spoofing Vulnerability
AI Analysis
Technical Summary
This vulnerability in Microsoft Edge (Chromium-based) involves spoofing, which may enable attackers to mislead users by displaying deceptive content or interfaces. The CVSS 3.1 base score is 6.5, reflecting a network attack vector with low complexity, no privileges required, but requiring user interaction. The impact is limited to confidentiality with no integrity or availability impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation could allow attackers to spoof content in the browser, potentially leading to user deception and exposure of confidential information. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45489 for the update details and installation instructions.
CVE-2026-45489: Spoofing 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 in Microsoft Edge (Chromium-based) involves spoofing, which may enable attackers to mislead users by displaying deceptive content or interfaces. The CVSS 3.1 base score is 6.5, reflecting a network attack vector with low complexity, no privileges required, but requiring user interaction. The impact is limited to confidentiality with no integrity or availability impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation could allow attackers to spoof content in the browser, potentially leading to user deception and exposure of confidential information. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45489 for the update details and installation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T16:07:22.618Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45489","vendor":"Microsoft"}]
Threat ID: 6a4820ff27e9c79719acc38a
Added to database: 07/03/2026, 20:52:15 UTC
Last enriched: 07/03/2026, 21:03:48 UTC
Last updated: 07/04/2026, 01:52:01 UTC
Views: 8
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