CVE-2022-37958
Published: 13 September 2022
Summary
CVE-2022-37958 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 8.1 (High).
Operationally, ranked in the top 6.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-37958 is a remote code execution vulnerability in the SPNEGO Extended Negotiation (NEGOEX) Security Mechanism. It received a CVSS 3.1 base score of 8.1 reflecting network attack vector, high complexity, no required privileges or user interaction, and high impact across confidentiality, integrity, and availability.
An unauthenticated remote attacker could exploit the flaw to achieve arbitrary code execution on a vulnerable system, though successful exploitation requires overcoming the noted high attack complexity. The weakness resides in the negotiation protocol handling and could be triggered during authentication exchanges.
Microsoft has published an update guide for CVE-2022-37958 that directs administrators to the corresponding security patches. The associated EPSS probability has remained stable near 0.12 with no material post-disclosure climb.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-40565
Vulnerability details
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution 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.