CVE-2017-0203 json
A vulnerability exists in Microsoft Edge when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted d…
published 2017-04-12 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-0570
- cvss
- 4.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.9%
- EPSS 3.9% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
A vulnerability exists in Microsoft Edge when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted documents. An attacker could trick a user into loading a web page with malicious content, aka "Microsoft Edge Security Feature Bypass Vulnerability."
Patch / fix
Exploit prediction
3.92% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- n/a Microsoft Edge Microsoft Edge
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2017-0203
patch, vendor-advisory
-
securitytracker.com
/id/1038234
vdb-entry
-
securityfocus.com
/bid/97443
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-0203
- NVD CVE-2017-0203
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.