CVE-2017-11863
Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016 and Windows Server, version 1709 allows an attacker to trick a user into loading a page containing malicious content, due to how the Edge Content Security Policy…
Does this matter?
Lower severity and a low EPSS score (3.49%). Track it; it rarely justifies an emergency change on its own.
Description
Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016 and Windows Server, version 1709 allows an attacker to trick a user into loading a page containing malicious content, due to how the Edge Content Security Policy (CSP) validates documents, aka "Microsoft Edge Security Feature Bypass Vulnerability". This CVE ID is unique from CVE-2017-11872 and CVE-2017-11874.
- 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
- 3.49% probability · 89th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- microsoft/edge
- Source
- secure@microsoft.com
EPSS moved from 4.9% on 21 September 2026 to 3.5% on 27 October 2026.
References
- http://www.securityfocus.com/bid/101748Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039801Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11863Patch, Vendor Advisory
- http://www.securityfocus.com/bid/101748Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039801Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11863Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.