CVE-2018-0803 json
Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to access information from…
published 2018-01-04 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1609
- cvss
- 4.2
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.7%
- EPSS 3.7% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to access information from one domain and inject it into another domain, due to how Microsoft Edge enforces cross-domain policies, aka "Microsoft Edge Elevation of Privilege Vulnerability".
Patch / fix
Exploit prediction
3.66% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.2 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Affected products
- Microsoft Corporation Microsoft Edge
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-0803
patch, vendor-advisory
-
securitytracker.com
/id/1040100
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/102384
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-0803
- NVD CVE-2018-0803
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.