Vulnerability · Published Jul 26, 2026 · Assigned by microsoft
CVE-2026-57990Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
High 7.4
In plain English
A high-severity security flaw in Microsoft Edge (Chromium-based) from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.9%top 39.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Files or directories accessible to external parties in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Edge (Chromium-based) | - |
Weakness: CWE-552 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
References
- Microsoft Edge (Chromium-based) Information Disclosure Vulnerability vendor-advisory, patch