CVE-2018-8403 in the critical feed json
A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory, aka "Microsoft Browser Memory Cor…
published 2018-08-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20041
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 13.4%
- EPSS 13.4% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
13.37% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.6 | AV:N/AC:H/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Internet Explorer 11
- Microsoft Microsoft Edge
- Microsoft Internet Explorer 10
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8403
patch, vendor-advisory
-
securitytracker.com
/id/1041457
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/105033
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8403
- NVD CVE-2018-8403
Fencer Intel 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.