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CVE-2018-8403
A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory, aka "Microsoft Browser Memory…
High7.5EPSS 13.4%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory, aka "Microsoft Browser Memory Corruption Vulnerability." This affects Internet Explorer 11, Microsoft Edge, Internet Explorer 10.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 13.4% · top 3.6% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Remote Code Execution
- CWE-787 (opens in a new tab)All about CWE-787 and its CVEs
Affected products
Microsoft · Internet Explorer 11
- affected Windows 10 for 32-bit Systems
- affected Windows 10 for x64-based Systems
- affected Windows 10 Version 1607 for 32-bit Systems
- affected Windows 10 Version 1607 for x64-based Systems
- affected Windows 10 Version 1703 for 32-bit Systems
- affected Windows 10 Version 1703 for x64-based Systems
- affected Windows 10 Version 1709 for 32-bit Systems
- affected Windows 10 Version 1709 for x64-based Systems
- affected Windows 10 Version 1803 for 32-bit Systems
- affected Windows 10 Version 1803 for x64-based Systems
- affected Windows 7 for 32-bit Systems Service Pack 1
- affected Windows 7 for x64-based Systems Service Pack 1
- affected Windows 8.1 for 32-bit systems
- affected Windows 8.1 for x64-based systems
- affected Windows RT 8.1
- affected Windows Server 2008 R2 for x64-based Systems Service Pack 1
- affected Windows Server 2012 R2
- affected Windows Server 2016
- affected Windows 10 for 32-bit Systems
- affected Windows 10 for x64-based Systems
- affected Windows 10 Version 1607 for 32-bit Systems
- affected Windows 10 Version 1607 for x64-based Systems
- affected Windows 10 Version 1703 for 32-bit Systems
- affected Windows 10 Version 1703 for x64-based Systems
- affected Windows Server 2016
Microsoft · Internet Explorer 10
- affected Windows Server 2012
References (3)
- 1041457 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8403 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 105033 (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://trackcve.app/cve/CVE-2018-8403)Record last updated .