Is CVE-2018-0824 being actively exploited?

Yes. CVE-2018-0824 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on August 5, 2024.

What is the CVSS score for CVE-2018-0824?

CVE-2018-0824 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2018-0824

HIGH · CVSS 8.8CISA KEV: actively exploitedEPSS 73.2%EU EUVD: exploited

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.

Key facts

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-502
EPSS score: 73.2% (99th percentile)
In CISA KEV: Yes, added August 5, 2024
In EU EUVD: Yes (EUVD-2018-1629)
Published: May 9, 2018
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Microsoft COM for Windows Deserialization of Untrusted Data Vulnerability

Added to the KEV catalog on August 5, 2024; federal remediation due August 26, 2024.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2018-1629 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 21, 2025.

View on the EU Vulnerability Database

Affected products

microsoft / windows 10 1507
microsoft / windows 10 1607
microsoft / windows 10 1703
microsoft / windows 10 1709
microsoft / windows 10 1803
microsoft / windows 7
microsoft / windows 8.1
microsoft / windows rt 8.1
microsoft / windows server 1709
microsoft / windows server 1803
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2012
microsoft / windows server 2012
microsoft / windows server 2016

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Windows 7 BitLocker™ Drive Encryption - Microsoft Corporation - FIPS 140 1332 - historical
Microsoft Windows 7 Kernel Mode Cryptographic Primitives Library (cng.sys) - Microsoft Corporation - FIPS 140 1328 - historical

References

http://www.securityfocus.com/bid/104030(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1040848(Broken Link, Third Party Advisory, VDB Entry)
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0824(Patch, Vendor Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0824(US Government Resource)
https://www.exploit-db.com/exploits/44906/(Exploit, Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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