CVE-2018-8366
An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly...
An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge.
- Record
CVE-2018-8366- CVSS 3.0
- 3.1 Low
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N - CVSS 2.0
- 2.6 Low
AV:N/AC:H/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge.
- Record
CVE-2018-8366- Updated
- 2026-11-02
EUVDEUVD-2018-20013 No score
An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge.
- Record
EUVD-2018-20013- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m3qg-3g4c-5jwm
An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly...
An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge.
- Record
GHSA-m3qg-3g4c-5jwm- CVSS 3.0
- 3.1 Low
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-8366 is a low vulnerability (CVSS 3.1) in Microsoft Edge, published September 13, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.05%, the 92nd percentile. No source names a fixed version.