Windows Pragmatic General Multicast (PGM) Denial of Service Vulnerability
CVE-2023-24940

7.5HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Windows Server 2022
Vendor
CVE Published:
9 May 2023

What is CVE-2023-24940?

This vulnerability in Windows Pragmatic General Multicast (PGM) can be exploited to cause a denial of service, potentially affecting system availability. By sending specially crafted multicast packets to the vulnerable service, an attacker could trigger a condition that results in the application crashing, requiring a restart to restore functionality. Users and administrators are advised to apply the latest security updates to mitigate this risk.

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Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.19926

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.5921

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.4377

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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