CVE-2026-66310: CWE-73: External Control of File Name or Path in Microsoft Microsoft Edge for Android
CVE-2026-66310 is a vulnerability in Microsoft Edge for Android involving external control of file name or path. This flaw allows an unauthorized attacker to disclose information locally on the affected device. The vulnerability has a high severity with a CVSS score of 7.7. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
CVE-2026-66310 is classified under CWE-73 (External Control of File Name or Path) affecting Microsoft Edge for Android version 1.0.0. The vulnerability permits an unauthorized attacker to cause local information disclosure by manipulating file names or paths externally. The CVSS 3.1 base score is 7.7, reflecting high impact on confidentiality and integrity without requiring privileges or user interaction. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
The vulnerability allows unauthorized attackers to disclose sensitive information locally on devices running the affected version of Microsoft Edge for Android. The confidentiality and integrity of local data can be compromised, but availability is not impacted. There are no known exploits 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 for Microsoft Edge for Android version 1.0.0 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66310 for the update details and installation instructions.
CVE-2026-66310: CWE-73: External Control of File Name or Path in Microsoft Microsoft Edge for Android
Description
CVE-2026-66310 is a vulnerability in Microsoft Edge for Android involving external control of file name or path. This flaw allows an unauthorized attacker to disclose information locally on the affected device. The vulnerability has a high severity with a CVSS score of 7.7. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.7high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-66310 is classified under CWE-73 (External Control of File Name or Path) affecting Microsoft Edge for Android version 1.0.0. The vulnerability permits an unauthorized attacker to cause local information disclosure by manipulating file names or paths externally. The CVSS 3.1 base score is 7.7, reflecting high impact on confidentiality and integrity without requiring privileges or user interaction. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
The vulnerability allows unauthorized attackers to disclose sensitive information locally on devices running the affected version of Microsoft Edge for Android. The confidentiality and integrity of local data can be compromised, but availability is not impacted. There are no known exploits 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 for Microsoft Edge for Android version 1.0.0 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66310 for the update details and installation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-24T18:06:51.295Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66310","vendor":"Microsoft"}]
Threat ID: 6a7121fcbf32cb7a3462c055
Added to database: 08/03/2026, 23:19:24 UTC
Last enriched: 08/03/2026, 23:33:12 UTC
Last updated: 08/04/2026, 01:46:23 UTC
Views: 6
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