CVE-2018-8512
A security feature bypass vulnerability exists in Microsoft Edge when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted documents, aka "Microsoft Edge Security Feature Bypass Vulnerability." This affects…
Does this matter?
Lower severity and a low EPSS score (3.45%). Track it; it rarely justifies an emergency change on its own.
Description
A security feature bypass vulnerability exists in Microsoft Edge when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted documents, aka "Microsoft Edge Security Feature Bypass Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8530.
- CVSS 3.0
- 5.4 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- EPSS
- 3.45% 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 4.8% on 21 September 2026 to 3.5% on 27 October 2026.
References
- http://www.securityfocus.com/bid/105486Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041825Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8512Patch, Vendor Advisory
- http://www.securityfocus.com/bid/105486Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041825Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8512Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.