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Emerging Threats
CVE2022

CVE-2022-37966

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2025-11-03Latest
Summary

CVE-2022-37966 is tracked here through 1 Sigma detection for exploitation attempts and related post-exploitation behavior observed in 2022. Coverage centers on windows / system.

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Emerging Threathightest

Potential KDC RC4-HMAC Downgrade Exploit - CVE-2022-37966

Detects the exploitation of a security bypass and elevation of privilege vulnerability with Authentication Negotiation by using weak RC4-HMAC negotiation

Windowssystem
TA0004 · Privilege Escalationdetection.emerging-threatscve.2022-37966
Florian Roth (Nextron Systems)Wed Nov 092022
References
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support.microsoft.com