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CVE-2026-66310Important

Microsoft Edge for Android Information Disclosure Vulnerability

MSRC advisory NVD CVE.org

Assessment

External control of file name or path in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.

Severity
Important
CVSS base score
7.7CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
Impact
Information Disclosure
EPSS, next 30 days
0.4%Higher than 27.6% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Exploitation Unlikely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Microsoft Edge for Android
Weakness
CWE-73: External Control of File Name or Path
Issued by
Microsoft
Published
31 Jul 2026 · July 2026
Last revised
31 Jul 2026

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Browser
1 affected product
  • Microsoft Edge for Android
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