CVE-2018-0824

A remote code execution vulnerability exists in "Microsoft COM for Windows" when it fails to...

8.8 HighIn KEVPublic exploit

A remote code execution vulnerability exists in "Microsoft COM for Windows" when it fails to properly handle serialized objects, aka "Microsoft COM for Windows Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, 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: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

73.0%Down 16.8 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

Record: CVE-2018-0824
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 5.1 MediumAV:N/AC:H/Au:N/C:P/I:P/A:P
Weakness: CWE-502
Updated: 2026-11-02

CVE List 7.5

Record: CVE-2018-0824
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

EUVDEUVD-2018-1629 7.5

Record: EUVD-2018-1629
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-6w8g-777w-9mcc 7.5

A remote code execution vulnerability exists in "Microsoft COM for Windows" when it fails to...

Record: GHSA-6w8g-777w-9mcc
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

CISA KEV No score

Microsoft COM for Windows Deserialization of Untrusted Data Vulnerability

Microsoft COM for Windows contains a deserialization of untrusted data vulnerability that allows for privilege escalation and remote code execution via a specially crafted file or script.

Record: CVE-2018-0824
Weakness: CWE-502
Updated: 2026-11-02

Affected products

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Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	codewhitesec/UnmarshalPwn	2018-06-15
Exploit-DB	Microsoft COM for Windows - Privilege Escalation	2018-06-18
Metasploit	Windows unmarshal post exploitation	2018-08-05

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, NVD, PoC in GitHub

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

In short

CVE-2018-0824 is a high vulnerability (CVSS 8.8) in Microsoft Windows, published May 9, 2018. CISA lists it as known to be exploited, since August 5, 2024. EUVD reports exploitation since August 5, 2024. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 73.0%, the 99th percentile. No source names a fixed version.