CVE-2018-8423

A remote code execution vulnerability exists in the Microsoft JET Database Engine, aka "Microsoft...

7.8 High

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

32.2%Up 11.1 points since Apr 14, 2021

What each source reports

NVD Score used 7.8

Record: CVE-2018-8423
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-8423
Updated: 2026-11-02

EUVDEUVD-2018-20059 No score

Record: EUVD-2018-20059
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r42w-rj9q-h378 7.8

A remote code execution vulnerability exists in the Microsoft JET Database Engine, aka "Microsoft...

Record: GHSA-r42w-rj9q-h378
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-8423 is a high vulnerability (CVSS 7.8) in Microsoft Windows 10, published October 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 32.2%, the 98th percentile. No source names a fixed version.