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CVE-2026-44805

Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9ba3405b7b21a15563a21a9b71038228521dcb34436b6cb0ff043d3e16e67ce9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 5 assertions

{"platforms":["x64-based Systems"],"product":"Windows Server 2025","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32995","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/affected/3

{"platforms":["x64-based Systems"],"product":"Windows Server 2022","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.5256","status":"affected","version":"10.0.20348.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/affected/2

{"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8880","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/affected/1

{"platforms":["x64-based Systems"],"product":"Windows Server 2019","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8880","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/affected/0

{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32995","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/affected/4
cwe · 2 assertions

{"cweId":"CWE-416","description":"CWE-416: Use After Free","lang":"en-US","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-822","description":"CWE-822: Untrusted Pointer Dereference","lang":"en-US","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/problemTypes/0/descriptions/1

Affected products and versions

5 source assertions
{"platforms":["x64-based Systems"],"product":"Windows Server 2025","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32995","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/affected/3
{"platforms":["x64-based Systems"],"product":"Windows Server 2022","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.5256","status":"affected","version":"10.0.20348.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/affected/2
{"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8880","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/affected/1
{"platforms":["x64-based Systems"],"product":"Windows Server 2019","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8880","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/affected/0
{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32995","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/affected/4

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-416","description":"CWE-416: Use After Free","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-822","description":"CWE-822: Untrusted Pointer Dereference","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/problemTypes/0/descriptions/1

Source references

1 source assertion
{"name":"Windows Network Controller (NC) Host Agent Denial of Service Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44805"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1bd582e9fabaa82d71968fd8974383cfb36f841a8febba3c4b581185c7745cc6 · sha256:9039cea88f25ee69… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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