CVE & CISA-KEV Catalog

CVE-2023-29360

HIGHCISA KEVEPSS 97th pctl
8.4
CVSS v3
NVD

Description

Microsoft Streaming Service Elevation of Privilege Vulnerability

How to fix

Remediation Available
Windows 10 Version 1607Windows
Install:KB5027219Microsoft
Windows 10 Version 1809Windows
Install:KB5027222Microsoft
Windows 10 Version 21H2Windows
Install:KB5027215Microsoft
Windows 10 Version 22H2Windows
Install:KB5027215Microsoft
Windows 11 Version 22H2Windows
Install:KB5027231Microsoft
Windows 11 version 21H2Windows
Install:KB5027223Microsoft
Windows Server 2016Windows
Install:KB5027219Microsoft
Windows Server 2016 (Server Core installation)Windows
Install:KB5027219Microsoft
Windows Server 2019Windows
Install:KB5027222Microsoft
Windows Server 2019 (Server Core installation)Windows
Install:KB5027222Microsoft
Windows Server 2022Windows
Install:KB5027225Microsoft
Install:KB5027319Microsoft
Windows Server 2022 (Server Core installation)Windows
Install:KB5027319Microsoft
Install:KB5027225Microsoft

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 VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

22.13%probability of exploitation in 30 days
97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft Streaming Service Untrusted Pointer Dereference Vulnerability

Microsoft Streaming Service contains an untrusted pointer dereference vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.

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

Remediation due: 2024-03-21

References

Government Resource1

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-2023-36033High7.812%KEVFix
CVE-2025-50165Critical9.89.5%-Fix
CVE-2019-13334High7.86.8%--

Common questions

How do I fix CVE-2023-29360?

Published advisories record a fix for 12 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-2023-29360 being actively exploited?

Yes. CVE-2023-29360 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2024-03-21. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2023-29360?

CVE-2023-29360 has a CVSS v3 base score of 8.4, rated high. 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-2023-29360 affect?

Published advisories record a fix for Windows 10 Version 1607 (Windows), Windows 10 Version 1809 (Windows), Windows 10 Version 21H2 (Windows), Windows 10 Version 22H2 (Windows), and 8 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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CVE-2023-29360 severity badge

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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 2025-10-28.