EUVD-2026-73581
GHSA-36pf-9rmq-hm72
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Local vector and low privilege confirmed by description; AC:H reflects UAF race condition timing requirement; full C/I/A reflects privilege escalation to SYSTEM.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
5DescriptionCVE.org
Use after free in Windows Accounts Control allows an authorized attacker to elevate privileges locally.
AnalysisAI
Privilege escalation in Windows Accounts Control allows an authorized local attacker to gain elevated system access by exploiting a use-after-free memory corruption flaw (CWE-416). The vulnerability spans a broad range of Windows 10, 11, and Windows Server editions from build 14393 through build 28000, making the exposure surface wide across enterprise and consumer deployments. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must already have a local user session on the target Windows system (PR:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.0 score (AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) correctly captures a local, low-privilege, high-complexity attack yielding full C/I/A 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-issued security updates for the affected Windows build as documented in the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69654. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Windows 10, 11, and Windows Server systems (builds 14393 through 28000) in your environment and prepare a prioritized patching schedule, focusing on systems with high user turnover or contractor access where insider threat risk is greatest. …
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Same weakness CWE-416 – Use After Free
View allSame technique Privilege Escalation
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External POC / Exploit Code
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