CVE-2026-21223: CWE-269: Improper Privilege Management in Microsoft Microsoft Edge (Chromium-based)
Improper privilege management in Microsoft Edge (Chromium-based) allows an authorized attacker to bypass a security feature locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-21223 and categorized under CWE-269 (Improper Privilege Management), affects Microsoft Edge (Chromium-based) version 1.0.0.0. It enables an authorized local attacker to bypass a security feature, resulting in high impact on confidentiality and integrity without affecting availability. The CVSS v3.1 base score is 7.1, reflecting the local attack vector with low complexity and no user interaction required. Microsoft has released a patch to remediate this issue.
Potential Impact
An authorized local attacker can bypass security features in Microsoft Edge, potentially leading to unauthorized access to sensitive information and modification of data (high confidentiality and integrity impact). There is no impact on system availability. No known exploits have been reported in the wild.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Microsoft Edge (Chromium-based) version 1.0.0.0 to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-21223: CWE-269: Improper Privilege Management in Microsoft Microsoft Edge (Chromium-based)
Description
Improper privilege management in Microsoft Edge (Chromium-based) allows an authorized attacker to bypass a security feature locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-21223 and categorized under CWE-269 (Improper Privilege Management), affects Microsoft Edge (Chromium-based) version 1.0.0.0. It enables an authorized local attacker to bypass a security feature, resulting in high impact on confidentiality and integrity without affecting availability. The CVSS v3.1 base score is 7.1, reflecting the local attack vector with low complexity and no user interaction required. Microsoft has released a patch to remediate this issue.
Potential Impact
An authorized local attacker can bypass security features in Microsoft Edge, potentially leading to unauthorized access to sensitive information and modification of data (high confidentiality and integrity impact). There is no impact on system availability. No known exploits have been reported in the wild.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Microsoft Edge (Chromium-based) version 1.0.0.0 to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-11T21:02:05.732Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 696ab2f1b22c7ad868f75ddc
Added to database: 1/16/2026, 9:51:45 PM
Last enriched: 4/3/2026, 12:53:44 PM
Last updated: 5/9/2026, 5:26:14 AM
Views: 376
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