Uncontrolled Resource Consumption in Microsoft Windows Remote Procedure Call
CVE-2025-59502

7.5HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows 10 Version 21h2
Windows 10 Version 22h2
Windows 11 Version 22h2
Vendor
CVE Published:
14 October 2025

What is CVE-2025-59502?

The vulnerability in Microsoft Windows Remote Procedure Call enables unauthorized attackers to exploit resource consumption flaws, resulting in denial of service attacks over a network. Users of affected Windows systems may experience significant disruptions as attackers manipulate resource allocation, potentially leading to service unavailability and impaired system functionalities.

Affected Version(s)

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.7792

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.6332

Windows 10 Version 22H2 32-bit Systems 10.0.19045.0 < 10.0.19044.6332

References

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

EPSS Score

8% chance of being exploited in the next 30 days.

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

.