EUVD-2026-73371
GHSA-qhh7-w6j4-hwjw
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Network-reachable via LDAP/RPC with no complexity; PR:L because valid domain credentials are required; availability-only impact with no confidentiality or integrity effect.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
5DescriptionCVE.org
Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.
AnalysisAI
Null pointer dereference in Windows Active Directory Domain Services (AD DS) enables a low-privileged, authenticated network attacker to crash the service and deny domain authentication. The flaw affects a broad range of Windows Server versions from Windows Server 2012 through Windows Server 2025 as well as Windows 10 and Windows 11 client platforms configured with the AD DS role. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a low-privilege authenticated account in the Active Directory domain (PR:L per CVSS vector); anonymous or unauthenticated access is insufficient. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H scores 6.5 (Medium), reflecting a network-reachable, low-complexity attack requiring only low-privilege authentication with an availability-only impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Microsoft security update corresponding to the installed Windows version. … Detailed patch versions, workarounds, and compensating controls in full report. |
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View allSame technique Denial Of Service
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External POC / Exploit Code
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