CVE & CISA-KEV Catalog

CVE-2024-20663

MEDIUMEPSS 78th pctl
6.5
CVSS v3
NVD

Description

Windows Message Queuing Client (MSMQC) Information Disclosure

How to fix

Remediation Available
Windows 10Windows
Install:KB5034134Microsoft
Windows 10 Version 1607Windows
Install:KB5034119Microsoft
Windows 10 Version 1809Windows
Install:KB5034127Microsoft
Windows 10 Version 21H2Windows
Install:KB5034122Microsoft
Windows 10 Version 22H2Windows
Install:KB5034122Microsoft
Windows 11 Version 22H2Windows
Install:KB5034123Microsoft
Windows 11 Version 23H2Windows
Install:KB5034123Microsoft
Windows 11 version 21H2Windows
Install:KB5034121Microsoft
Windows Server 2008Windows
Install:KB5034176Microsoft
Install:KB5034173Microsoft
Windows Server 2008 R2Windows
Install:KB5034167Microsoft
Install:KB5034169Microsoft
Windows Server 2012Windows
Install:KB5034184Microsoft
Windows Server 2012 (Server Core installation)Windows
Install:KB5034184Microsoft
Windows Server 2012 R2Windows
Install:KB5034171Microsoft
Windows Server 2012 R2 (Server Core installation)Windows
Install:KB5034171Microsoft
Windows Server 2016Windows
Install:KB5034119Microsoft
Windows Server 2016 (Server Core installation)Windows
Install:KB5034119Microsoft
Windows Server 2019Windows
Install:KB5034127Microsoft
Windows Server 2019 (Server Core installation)Windows
Install:KB5034127Microsoft
Windows Server 2022Windows
Install:KB5034129Microsoft
Windows Server 2022 (Server Core installation)Windows
Install:KB5034129Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)Windows
Install:KB5034130Microsoft

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

1.93%probability of exploitation in 30 days
78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Related Vulnerabilities

Other CWE-822 (Untrusted Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-21768High7.865%-Fix
CVE-2024-21338High7.860%KEV + RansomFix
CVE-2024-35250High7.825%KEVFix
CVE-2023-29360High8.422%KEVFix
CVE-2023-36033High7.812%KEVFix
CVE-2025-50165Critical9.89.5%-Fix

Common questions

How do I fix CVE-2024-20663?

Published advisories record a fix for 21 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2024-20663 being actively exploited?

Not that we know of. CVE-2024-20663 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.9% is the estimated probability that it will be exploited in the next 30 days. That is higher than 78% of all scored CVEs.

How severe is CVE-2024-20663?

CVE-2024-20663 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2024-20663 affect?

Published advisories record a fix for Windows 10 (Windows), Windows 10 Version 1607 (Windows), Windows 10 Version 1809 (Windows), Windows 10 Version 21H2 (Windows), and 17 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2024-20663
CVE-2024-20663 severity badge

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.