CVE-2017-8504
Microsoft Edge in Windows 10 1607 and 1703, and Windows Server 2016 allows an attacker to read the URL of a cross-origin request when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka "Microsoft Edge Information Disclosure…
Does this matter?
Lower severity and a low EPSS score (5.25%). Track it; it rarely justifies an emergency change on its own.
Description
Microsoft Edge in Windows 10 1607 and 1703, and Windows Server 2016 allows an attacker to read the URL of a cross-origin request when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka "Microsoft Edge Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-8498.
- CVSS 3.0
- 4.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- EPSS
- 5.25% probability · 92th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- microsoft/edge
- Source
- secure@microsoft.com
EPSS 5.3% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/98892Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8504Patch, Vendor Advisory
- http://www.securityfocus.com/bid/98892Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8504Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.