CVE-2025-21185: CWE-284: Improper Access Control in Microsoft Microsoft Edge (Chromium-based)
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
AI Analysis
Technical Summary
This vulnerability in Microsoft Edge (Chromium-based) is classified under CWE-284 (Improper Access Control) and enables elevation of privilege. The CVSS 3.1 base score is 6.5, indicating a medium severity level. The attack vector is network-based with low attack complexity and no privileges required, but user interaction is needed. The vulnerability impacts confidentiality but not integrity or availability. Microsoft has published an official fix for this issue.
Potential Impact
Successful exploitation could allow an attacker to elevate their privileges on the affected system, potentially gaining unauthorized access to sensitive information. The confidentiality impact is high, while integrity and availability impacts are not affected. No known exploits are currently reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided security update from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21185 to remediate this vulnerability.
CVE-2025-21185: CWE-284: Improper Access Control in Microsoft Microsoft Edge (Chromium-based)
Description
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Microsoft Edge (Chromium-based) is classified under CWE-284 (Improper Access Control) and enables elevation of privilege. The CVSS 3.1 base score is 6.5, indicating a medium severity level. The attack vector is network-based with low attack complexity and no privileges required, but user interaction is needed. The vulnerability impacts confidentiality but not integrity or availability. Microsoft has published an official fix for this issue.
Potential Impact
Successful exploitation could allow an attacker to elevate their privileges on the affected system, potentially gaining unauthorized access to sensitive information. The confidentiality impact is high, while integrity and availability impacts are not affected. No known exploits are currently reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided security update from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21185 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-05T21:43:30.763Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21185","vendor":"Microsoft"}]
Threat ID: 68c0c0d09ed239a66badfce9
Added to database: 09/10/2025, 00:05:36 UTC
Last enriched: 06/10/2026, 09:41:08 UTC
Last updated: 07/08/2026, 10:28:16 UTC
Views: 241
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