CVE-2022-44684Network attack vector

Authenticated service interruption via undisclosed LSM flaw

Published Dec 20, 2023 · Updated Jan 2, 2025

Denial of service in Microsoft Windows Local Session Manager allows remote authenticated users to interrupt affected Windows systems. Microsoft has not published the vulnerable LSM operation, the crafted input involved, or whether exploitation causes a hang, crash, or reboot. Network access and low privileges are required; the documented impact is limited to availability, with no confidentiality or integrity effect.

CVSS severity6.5
Medium
EPSS probability1.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Microsoft Windows Local Session Manager allows remote authenticated users to interrupt affected Windows systems. Microsoft has not published the vulnerable LSM operation, the crafted input involved, or whether exploitation causes a hang, crash, or reboot. Network access and low privileges are required; the documented impact is limited to availability, with no confidentiality or integrity effect.

The record

CVE
CVE-2022-44684
Published
Dec 20, 2023
Updated
Jan 2, 2025
Vendor
Microsoft
Product
Windows 10 Version 21H1
Classifications
T1489
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 2, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.0.0 <10.0.19043.2364

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Microsoft · Windows 10 Version 21H1version=10.0.0 <10.0.19043.2364
Microsoft · Windows 11 version 21H2version=10.0.0 <10.0.22000.1335
Microsoft · Windows 10 Version 21H2version=10.0.19043.0 <10.0.19044.2364
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)version=10.0.25398.0 <10.0.25398.1009
Microsoft · Windows 10 Version 20H2version=10.0.0 <10.0.19042.2364
Microsoft · Windows 10 Version 22H2version=10.0.19045.0 <10.0.19045.2364
Microsoft · Windows 11, version 22H2version=10.0.22621.0 <10.0.22621.993
Microsoft · Windows Server 2022version=10.0.20348.0 <10.0.20348.1366

Published CVSS scores

6.5Microsoft CorporationCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1489Service Stop

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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