Local privilege escalation for authenticated users
Published Oct 13, 2026 · Updated Oct 13, 2026
Authorization failure in Microsoft Windows Device Install Service allows local users to elevate privileges via unspecified vectors. The CNA record names incorrect authorization but does not disclose the affected operation, input, or authorization check. Existing low-privileged access is required; the resulting privilege level and additional configuration prerequisites are not disclosed.
Summary
What happened
Authorization failure in Microsoft Windows Device Install Service allows local users to elevate privileges via unspecified vectors. The CNA record names incorrect authorization but does not disclose the affected operation, input, or authorization check. Existing low-privileged access is required; the resulting privilege level and additional configuration prerequisites are not disclosed.
The record
- CVE
- CVE-2026-83792
- Published
- Oct 13, 2026
- Updated
- Oct 13, 2026
- Vendor
- Microsoft Corporation
- Product
- Windows Server 2025 (Server Core installation)
- Classifications
- CWE-863, T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Oct 13, 2026CVE publishedPublication date reported by the CVE source.
- Oct 13, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=10.0.26100.0 <10.0.26100.33650
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Activity data is delayed. The latest report is Sep 28, 2026.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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