CVE-2018-8278
A spoofing vulnerability exists when Microsoft Edge improperly handles specific HTML content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge.
Does this matter?
Lower severity and a low EPSS score (7.13%). Track it; it rarely justifies an emergency change on its own.
Description
A spoofing vulnerability exists when Microsoft Edge improperly handles specific HTML content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 7.13% probability · 94th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-290
- Affected
- microsoft/edge
- Source
- secure@microsoft.com
EPSS 7.1% 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/104627Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041255Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8278Patch, Vendor Advisory
- http://www.securityfocus.com/bid/104627Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041255Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8278Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.