CVE-2026-58278: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft Microsoft Edge (Chromium-based)
Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-918, affects Microsoft Edge (Chromium-based) version 1.0.0.0. It enables an attacker without privileges to induce the browser to make unauthorized network requests, potentially allowing spoofing over a network. The issue has been officially fixed by Microsoft, and a patch is available as per the vendor advisory.
Potential Impact
The vulnerability allows an unauthorized attacker to perform spoofing over a network via server-side request forgery. The impact includes limited integrity and availability effects but no confidentiality loss. The CVSS vector indicates the attack requires no privileges but user interaction and can cause partial loss of integrity and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58278 to remediate this vulnerability.
CVE-2026-58278: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft Microsoft Edge (Chromium-based)
Description
Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVSS v3.1
Score 5.4medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-918, affects Microsoft Edge (Chromium-based) version 1.0.0.0. It enables an attacker without privileges to induce the browser to make unauthorized network requests, potentially allowing spoofing over a network. The issue has been officially fixed by Microsoft, and a patch is available as per the vendor advisory.
Potential Impact
The vulnerability allows an unauthorized attacker to perform spoofing over a network via server-side request forgery. The impact includes limited integrity and availability effects but no confidentiality loss. The CVSS vector indicates the attack requires no privileges but user interaction and can cause partial loss of integrity and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58278 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-29T21:59:30.870Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58278","vendor":"Microsoft"}]
Threat ID: 6a48210227e9c79719accbdc
Added to database: 07/03/2026, 20:52:18 UTC
Last enriched: 08/10/2026, 13:42:27 UTC
Last updated: 08/16/2026, 00:41:14 UTC
Views: 68
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