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ExploitedIn CISA KEVFix available

CVE-2018-0824

Exploitation confirmed. First attested on 2024-08-02 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2018-05-09
  • WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2018-05-0919:29CVE publishedNVD
  2. 2018-06-18Exploit-DB entryExploit-DB
  3. 2024-08-0203:55Exploitation first reportedCISA-ADP
  4. 2024-08-0203:55SSVC exploitation set to activeCISA-ADP
  5. 2024-08-05Added to the CISA KEV catalogCISA KEV
  6. 2024-08-05Listed as exploited by GCVEGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-0824?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-0824?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

CISA-ADP · NVD
Microsoft windows 10
BranchAffectedFixed in
1607.x= 1607no fix published
1703.x= 1703no fix published
1709.x= 1709no fix published
1803.x= 1803no fix published
—all versionsno fix published
Microsoft windows server 2016
BranchAffectedFixed in
—all versionsno fix published
1709.x= 1709no fix published
1803.x= 1803no fix published
Microsoft windows server 2008
BranchAffectedFixed in
—all versionsno fix published
—= r2no fix published

11 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. CISA’s required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.due 2024-08-26

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-44906
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedcodewhitesec/UnmarshalPwn
PoC-in-GitHub
Metasploit modules
1 modulepost/windows/escalate/unmarshal_cmd_execrank: normalModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2024-08-05
Patch Due Date
2024-08-26
Ransomware Use
Unknown
Required Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2018-05-09
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-6w8g-777w-9mcc

Frequently asked questions

What is CVE-2018-0824?

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.

Is CVE-2018-0824 actively exploited?

Yes. CVE-2018-0824 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2024-08-26.

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

CVE-2018-0824 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record