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CVE-2023-29369: Remote Procedure Call Runtime Denial of Service Vulnerability

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-13 · updated 2026-06-17
• Weakness: CWE-190

Description

Remote Procedure Call Runtime Denial of Service Vulnerability

Affected products

• Microsoft Windows Server 2012: r2
• Microsoft Windows Server 2016: all versions
• Microsoft Windows Server 2019: all versions
• Microsoft Windows Server 2022: all versions
• Microsoft Windows Server 2012: from 6.2.9200.0 before 6.2.9200.24314 — fixed in 6.2.9200.24314
• Microsoft Windows Server 2012 R2: from 6.3.9600.0 before 6.3.9600.21013 — fixed in 6.3.9600.21013
• Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.5989 — fixed in 10.0.14393.5989
• Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.4499 — fixed in 10.0.17763.4499
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.1787 — fixed in 10.0.20348.1787

How to fix

Upgrade to a fixed version: Microsoft Windows Server 2012 6.2.9200.24314; Microsoft Windows Server 2012 R2 6.3.9600.21013; Microsoft Windows Server 2016 10.0.14393.5989; Microsoft Windows Server 2019 10.0.17763.4499; Microsoft Windows Server 2022 10.0.20348.1787. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29369
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29369

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