HTTP2: Microsoft Windows KDC Proxy KpsSocketIoCompletion Use After Free

This signature detects attempts to exploit a known vulnerability against Windows KDC Proxy. A successful attack can lead to arbitrary code execution.

References

CVE: CVE-2025-49735

Short Name
HTTP2:WIN-KDCPROXY-KPC-UAF
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP2
Keywords
After CVE-2025-49735 Free KDC KpsSocketIoCompletion Microsoft Proxy Use Windows
Release Date
11/06/2025
Supported Platforms

srx-branch-19.3

vsrx3bsd-19.2

srx-19.4

vsrx3bsd-19.4

srx-branch-19.4

vsrx-19.4

vsrx-19.2

srx-19.3

Sigpack Version
3882
False Positive
Unknown

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