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7.7

Windows Local Session Manager can be crashed remotely

CVE-2022-37998 · published 4 years ago
Summary

A vulnerability in Windows Local Session Manager (LSM) can allow an attacker to send a malicious request that crashes the service, potentially causing a denial of service. This could impact users who rely on the service, such as those using remote desktop connections. Users should apply the latest updates to Windows to fix this issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft windows_10 20h2
21h1
21h2
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
microsoft windows_11 22h2
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
microsoft windows_server_2022 All versions
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
Original advisory text
Windows Local Session Manager (LSM) Denial of Service Vulnerability
Windows Local Session Manager (LSM) Denial of Service Vulnerability
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.7 High
Exploitation
4% chance of attack within 30 days
Timeline
Published11 Oct 2022
Updated31 Oct 2026
First seen7 Mar 2026
Sources
CVE-2022-37998 · NVD
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