EUVD-2026-73041
GHSA-fpcq-8j37-5rfc
Severity by source
AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Network-exploitable with low domain privileges; user interaction required to trigger GP processing; full CIA impact on successful escalation with no scope change.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
5DescriptionCVE.org
Untrusted pointer dereference in Windows Group Policy allows an authorized attacker to elevate privileges over a network.
AnalysisAI
Privilege escalation via untrusted pointer dereference in the Windows Group Policy component affects every active Microsoft Windows release from Server 2012 through Windows 11 26H1 and Windows Server 2025. An attacker holding a low-privileged domain account can exploit the flaw over the network when Group Policy processing is triggered, achieving high confidentiality, integrity, and availability impact equivalent to full system compromise. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid low-privileged domain account (PR:L per CVSS) and network connectivity to the target Windows system. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.0 (AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H) reflects a network-accessible privilege escalation requiring low domain privileges and some form of user interaction to trigger Group Policy processing. … 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 | The primary remediation is to apply the Microsoft security update targeting the specific installed Windows build, upgrading to the fixed versions identified in EUVD-2026-73041: for example, Windows Server 2025 to build 10.0.26100.33438 or later, Windows 11 24H2 to 10.0.26100.9445 or later, Windows 10 22H2 to 10.0.19045.7725 or later, and Windows Server 2022 to 10.0.20348.5622 or later. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Windows Server (2012, 2012 R2, 2016, 2019, 2022, 2025) and Windows 11 systems through version 26H1 in your environment and assess network exposure of Group Policy processing endpoints. …
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Same weakness CWE-125 – Out-of-bounds Read
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External POC / Exploit Code
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