Windows Server 2022
CVE-2026-24291
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.
AnalysisAI
Privilege escalation in Windows Accessibility Infrastructure (ATBroker.exe) across Windows 10, Windows 11, and Windows Server 2022 stems from improper permission assignments on a critical resource. A local authenticated attacker can exploit this misconfiguration to gain elevated privileges without user interaction. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Local login required with standard user privileges on Windows system. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 7.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker could exploit this vulnerability to compromise the affected system. |
| Remediation | Monitor vendor advisories for a patch. Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all Windows systems with accessibility features enabled and assess user access patterns to identify high-risk environments. …
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Threat intelligence, references, and detailed analysis are available after sign-in.
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External POC / Exploit Code
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