CVE-2026-66310
Microsoft Edge for Android Information Disclosure Vulnerability
External control of file name or path in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
7.7
Microsoft Edge for Android Information Disclosure Vulnerability
External control of file name or path in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.
- Record
CVE-2026-66310- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C - Weakness
- CWE-73
- Updated
- 2026-11-02
EUVDEUVD-2026-52523
7.7
External control of file name or path in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.
- Record
EUVD-2026-52523- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-78fm-87r7-5p5x
7.7
External control of file name or path in Microsoft Edge for Android allows an unauthorized...
External control of file name or path in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.
- Record
GHSA-78fm-87r7-5p5x- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-73
- Updated
- 2026-11-02
NVD
7.7
External control of file name or path in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.
- Record
CVE-2026-66310- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-73
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-66310 is a high vulnerability (CVSS 7.7) in Microsoft Edge, published August 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. No source names a fixed version.