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CVE Record

CVE-2022-44682: Windows Hyper-V Denial of Service Vulnerability

Windows Hyper-V Denial of Service Vulnerability

MediumCVSS 6.8Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2022-44682 is a Windows Hyper-V denial-of-service issue. A low-privileged attacker on an adjacent network could cause a serious availability impact on affected Windows systems running Hyper-V. The sources do not indicate data theft or code execution, and they do not show known active exploitation.

Executive priority

Treat this as a moderate operational resilience issue. It is not presented as data theft or remote code execution, but affected Hyper-V hosts can support important business systems. Patch during normal vulnerability management, faster for critical virtualization infrastructure.

Technical view

The CVSS 3.1 vector is 6.8: adjacent attack vector, low attack complexity, low privileges, no user interaction, changed scope, no confidentiality or integrity impact, and high availability impact. Microsoft lists multiple Windows client and server releases as affected and provides a vendor advisory.

Likely exposure

Exposure is most likely where affected Windows client or server versions have Hyper-V enabled and reachable from adjacent network contexts. The bundle lists Windows 8.1, Windows 10, Windows 11, Windows Server 2012 through 2022, including Server Core variants.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation. The CVSS temporal vector marks exploit code maturity as unproven. Risk is availability-focused and constrained by adjacent-network access plus low privileges, but Hyper-V outages can affect hosted workloads.

Researcher notes

Key unknowns remain: the bundle provides no CWE, no exploit narrative, and no detailed root cause. Validation should stay defensive: confirm product exposure, patch state, Hyper-V enablement, and adjacent-network reachability without attempting reproduction beyond authorized availability-safe checks.

Mitigation direction

  • Apply Microsoft security updates referenced by the MSRC advisory.
  • Prioritize Hyper-V hosts supporting production or critical workloads.
  • Restrict adjacent network access to Hyper-V management and host interfaces.
  • Check Microsoft guidance for any version-specific update requirements.
  • Plan maintenance windows for hosts where reboot is required.

Validation and detection

  • Inventory Windows systems with Hyper-V enabled.
  • Map affected OS versions against the MSRC advisory.
  • Confirm relevant Microsoft security updates are installed.
  • Review segmentation around Hyper-V hosts and management networks.
  • Check monitoring for unexplained Hyper-V host availability events.
Prepared
Confidence
high
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2022-44682 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.8CVSS 3.1MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C2.34Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.8Medium
CVSS 3.1 vector shape for CVE-2022-44682Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
MicrosoftWindows 10 Version 180910.0.17763.0Listed
MicrosoftWindows Server 201910.0.17763.0Listed
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0Listed
MicrosoftWindows 10 Version 21H110.0.0Listed
MicrosoftWindows Server 202210.0.20348.0Listed
MicrosoftWindows 11 version 21H210.0.22000.0Listed
MicrosoftWindows 10 Version 21H210.0.19044.0Listed
MicrosoftWindows 11 version 22H210.0.22621.0Listed
MicrosoftWindows 10 Version 22H210.0.19045.0Listed
MicrosoftWindows 10 Version 150710.0.10240.0Listed
MicrosoftWindows 10 Version 160710.0.14393.0Listed
MicrosoftWindows Server 201610.0.14393.0Listed
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0Listed
MicrosoftWindows 8.16.3.0Listed
MicrosoftWindows Server 20126.2.9200.0Listed
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0Listed
MicrosoftWindows Server 2012 R26.3.9600.0Listed
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.