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Microsoft · Windows

CVE-2018-0824

Microsoft COM for Windows Deserialization of Untrusted Data Vulnerability

Exploited in attacks High 7.5 Attack chance: 73%
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What it is

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.

CISA: 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.

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Deadline for US federal agencies: August 26, 2024

Added to the CISA list
August 5, 2024
Published
May 9, 2018
Severity
High 7.5 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
73% in the top 0.5% of all known vulnerabilities
Weakness
CWE-502
More details
NVD · CVE.org · CISA
All references (4)

More exploited flaws from Microsoft

AddedVulnerabilityProductSeverityAttack chance
Oct 13, 2026Command InjectionCVE-2026-96951WindowsHigh 8.89.8%
Sep 8, 2026Link FollowingCVE-2026-81963WindowsHigh 7.80.4%
Sep 8, 2026Heap-Based Buffer OverflowCVE-2026-85880WindowsHigh 7.80.4%
May 20, 2026Buffer OverflowCVE-2008-4250WindowsCritical 9.899%
Apr 28, 2026Protection Mechanism FailureCVE-2026-32202WindowsMedium 4.371%
Apr 13, 2026Out-of-Bounds ReadCVE-2023-36424WindowsHigh 7.812%
Apr 13, 2026Link FollowingCVE-2025-60710used by ransomwareWindowsHigh 7.84.6%
Feb 17, 2026 Microsoft Windows Video ActiveX Control Remote Code ExecutionCVE-2008-0015WindowsHigh 8.877%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.