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CVE-2016-0099: Microsoft Windows Secondary Logon Service Privilege Escalation Vulnerability
Microsoft Windows · in CISA KEV since 2022-03-03
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2022-03-03added to KEV
2022-03-24federal remediation due date
37.05%EPSS exploit probability (30 days) 98.5th percentile
7.8 HIGHCVSS 3.1
Knownknown ransomware use
2,185days from NVD publication to KEV
What it is
A privilege escalation vulnerability exists in Microsoft Windows if the Windows Secondary Logon Service fails to properly manage request handles in memory. An attacker who successfully exploited this vulnerability could run arbitrary code as an administrator.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-264 |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2016-03-09 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2016-0099.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.