CVE-2018-8423 in the critical feed json
A remote code execution vulnerability exists in the Microsoft JET Database Engine, aka "Microsoft JET Database Engine Remote Code Execution…
published 2018-10-10 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20059
- cvss
- 7.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 32.2%
- EPSS 32.2% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists in the Microsoft JET Database Engine, aka "Microsoft JET Database Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
Patch / fix
Exploit prediction
32.15% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- blog.0patch.com https://blog.0patch.com/2018/10/patching-re-patching-and-meta-patching.html referenced PoC, tagged "exploit" by a source, unverified
- blog.0patch.com https://blog.0patch.com/2018/09/outrunning-attackers-on-jet-database.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Windows 7
- Microsoft Windows Server 2012 R2
- Microsoft Windows RT 8.1
- Microsoft Windows Server 2008
- Microsoft Windows Server 2019
- Microsoft Windows Server 2012
- Microsoft Windows 8.1
- Microsoft Windows Server 2016
- Microsoft Windows Server 2008 R2
- Microsoft Windows 10
- Microsoft Windows 10 Servers
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
blog.0patch.com
/2018/10/patching-re-patching-and-meta-patching.html
exploit, patch, technical-description, third-party-advisory
-
blog.0patch.com
/2018/09/outrunning-attackers-on-jet-database.html
exploit, patch, technical-description, third-party-advisory
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8423
patch, vendor-advisory
-
securitytracker.com
/id/1041837
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8423
- NVD CVE-2018-8423
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.