Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV L L L N U H H N 7.1 .0036 29.6 —
AFFECTED Product Versions Fixed Microsoft Edge for Android 1.0.0 – —
TIMELINE Jul 24 Reserved by microsoft Aug 3 Published (CNA: microsoft) Aug 4 RESCORED — CVE-2026-66310 (Microsoft Edge for Android). CVSS 7.7 → 7.1 (NVD).
External control of file name or path in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.
| Date | Event | Detail |
|---|---|---|
| July 24, 2026 | Reserved | Reserved by microsoft |
| August 3, 2026 | Published | Published (CNA: microsoft) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2026-66310 (Microsoft Edge for Android). CVSS 7.7 → 7.1 (NVD). |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Microsoft | Microsoft Edge for Android | — | 1.0.0 | — |
Authoritative record: CVE-2026-66310 at cve.org
Vendors: microsoft
Weaknesses: CWE-73
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-66310 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.