CVE-2018-0824

KEVMicrosoft COM for Windows Deserialization of Untrusted Data Vulnerability

Description

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.

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.

CVSS 3.1 vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

PublishedMay 9, 2018

Last modifiedJun 17, 2026

Added to KEVAug 5, 2024

Remediation dueAug 26, 2024

References

securityfocus.com/bid/104030Broken LinkThird Party Advisory
securitytracker.com/id/1040848Broken LinkThird Party Advisory
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0824PatchVendor Advisory
exploit-db.com/exploits/44906/ExploitThird Party Advisory
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0824US Government Resource

0 recent articles mention this CVE

Risk assessment · Critical

Actively exploited. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 792 days
CVSS: 8.8 HIGH
EPSS (30-day exploit probability): 73.0% · top 1% of all CVEs
Weakness: CWE-502
Attack vector: Network, remotely reachable

Recommended actions

1.Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.