CVE-2018-0803
Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to access information from…
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
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".
Timeline
ID reserved
By microsoft
- 34 days later
· 34 days later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium4.2 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 3.7% · top 10% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.2.
Weakness
- Elevation of Privilege
- CWE-863 (opens in a new tab)All about CWE-863 and its CVEs
Affected products
Microsoft Corporation · Microsoft Edge
- affected Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016.
References (3)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0803 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1040100 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 102384 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-0803)Record last updated .