CVE-2022-37977
Published: 11 October 2022
Summary
CVE-2022-37977 is a medium-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 6.5 (Medium).
Operationally, ranked in the top 4.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The vulnerability is a denial of service issue in the Local Security Authority Subsystem Service (LSASS) on Windows, assigned CVE-2022-37977 with a CVSS 3.1 score of 6.5. It allows an attacker to disrupt the availability of the LSASS process without affecting confidentiality or integrity.
An authenticated user with low privileges can exploit the flaw over a network connection with low attack complexity and no user interaction required. Successful exploitation results in a high-impact denial of service against LSASS, leaving the affected system unable to perform authentication and other security functions.
Microsoft security advisories published at the listed MSRC URLs describe available patches and mitigation guidance for the issue. The EPSS score reached a peak of 0.2494 after disclosure before settling at the current value of 0.1777.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-40584
Vulnerability details
Local Security Authority Subsystem Service (LSASS) 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.