CVE-2026-58292: CWE-20: Improper Input Validation in Microsoft Microsoft Edge (Chromium-based)
Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-58292) involves improper input validation in Microsoft Edge (Chromium-based), enabling remote code execution by an unauthorized attacker. The CVSS 3.1 base score is 7.5, indicating high severity, with network attack vector, high attack complexity, no privileges required, and requiring user interaction. The impact includes low confidentiality loss, high integrity loss, and low availability loss. Microsoft has published an official fix for this vulnerability as detailed in their security advisory.
Potential Impact
An attacker can remotely execute code on a vulnerable system running Microsoft Edge (Chromium-based) version 1.0.0.0 without privileges but requiring user interaction. This can lead to partial confidentiality loss, significant integrity compromise, and limited availability impact.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security update available from Microsoft's advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58292 to remediate this issue.
CVE-2026-58292: CWE-20: Improper Input Validation in Microsoft Microsoft Edge (Chromium-based)
Description
Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 7.5high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-58292) involves improper input validation in Microsoft Edge (Chromium-based), enabling remote code execution by an unauthorized attacker. The CVSS 3.1 base score is 7.5, indicating high severity, with network attack vector, high attack complexity, no privileges required, and requiring user interaction. The impact includes low confidentiality loss, high integrity loss, and low availability loss. Microsoft has published an official fix for this vulnerability as detailed in their security advisory.
Potential Impact
An attacker can remotely execute code on a vulnerable system running Microsoft Edge (Chromium-based) version 1.0.0.0 without privileges but requiring user interaction. This can lead to partial confidentiality loss, significant integrity compromise, and limited availability impact.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security update available from Microsoft's advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58292 to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-29T21:59:30.871Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58292","vendor":"Microsoft"}]
Threat ID: 6a48210527e9c79719accc6a
Added to database: 07/03/2026, 20:52:21 UTC
Last enriched: 08/10/2026, 13:44:23 UTC
Last updated: 08/16/2026, 13:37:49 UTC
Views: 72
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