CVE-2022-30196
Published: 13 September 2022
Summary
CVE-2022-30196 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 8.2 (High).
Operationally, ranked in the top 7.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-30196 is a denial-of-service vulnerability in the Windows Secure Channel component, also known as Schannel. It carries a CVSS 3.1 base score of 8.2 reflecting network attack vector, low complexity, and no requirements for authentication or user interaction, with high impact on availability and limited impact on confidentiality.
An unauthenticated remote attacker can send specially crafted network traffic to a vulnerable Windows system and trigger the flaw, resulting in service disruption or limited information disclosure without any prior access or user assistance.
Microsoft has published official guidance and remediation details for this issue through its Security Response Center at the referenced URLs. The associated EPSS score has remained flat at 0.0805 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-35402
Vulnerability details
Windows Secure Channel Denial of Service Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.